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WorksheetsАғылшын 1-50
Total questions: 50
Worksheet time: 25mins
How many elements make up a simple electrical circuit?
Three
Four
Five
Two
One
What is the unit of measurement of electric charge?
Сoulomb (C).
Ampere (A)
Volt(V)
Ohm(Ohm)
Watt(W)
What is the definition of an electrical charge?
The coulomb is defined as the quantity of electricity which flows past a given point in an electric circuit when a current of one ampere is maintained for one second.
Power is defined as the rate of doing work or transferring energy.
One volt is defined as the difference in potential between two points in a conductor which, when carrying a current of one ampere, dissipates a power of one watt
This is defined as a value that is the reverse of the resistance
It is defined as the resistance between two points in a conductor when a constant electric potential of one volt applied at the two points produces a current flow of one ampere in the conductor.
What is the formula for determining electric charge?
Q = It.
Q=Rt
Q=LC
Q=IRt
Q=U/R
Solve the problem. If a current of 5 A flows for 2 minutes, find the quantity of electricity transferred.
600 С
500 С
400 С
60 С
30 C
What is the unit of measurement of electric power?
Сoulomb (C).
Ampere (A)
Volt(V)
Ohm(Ohm)
Watt(W)
What is the definition of an electrical power?
Power is defined as the rate of doing work or transferring energy.
The coulomb is defined as the quantity of electricity which flows past a given point in an electric circuit when a current of one ampere is maintained for one second.
One volt is defined as the difference in potential between two points in a conductor which, when carrying a current of one ampere, dissipates a power of one watt
It is defined as the resistance between two points in a conductor when a constant electric potential of one volt applied at the two points produces a current flow of one ampere in the conductor.
This is defined as a value that is the reverse of the resistance
What is the definition of an electric charge?
one ampere second.
one joule per second.
one joule per coulomb
one volt per ampere
What is the definition of an electric power?
one ampere second.
one joule per second.
one joule per coulomb
one volt per ampere
What is the formula for determining electric power?
P = W/t.
P=Wt
P=W*t/L
P=CRt
P=U/R
What is the formula for determining electric energy?
W = Pt.
W=Pt/2
W=W*t/4
P=CRt
P=U/R
What is the unit of measurement of electrical potential?
Сoulomb (C).
Ampere (A)
Volt(V)
Ohm(Ohm)
Watt(W)
What is the definition of an electrical potential?
One volt is defined as the difference in potential between two points in a conductor which, when carrying a current of one ampere, dissipates a power of one watt
Power is defined as the rate of doing work or transferring energy.
The coulomb is defined as the quantity of electricity which flows past a given point in an electric circuit when a current of one ampere is maintained for one second.
This is defined as a value that is the reverse of the resistance
It is defined as the resistance between two points in a conductor when a constant electric potential of one volt applied at the two points produces a current flow of one ampere in the conductor.
What is the definition of an potential difference?
A change in electric potential between two points in an electric circuit
Power is defined as the rate of doing work or transferring energy.
The coulomb is defined as the quantity of electricity which flows past a given point in an electric circuit when a current of one ampere is maintained for one second.
It is defined as the resistance between two points in a conductor when a constant electric potential of one volt applied at the two points produces a current flow of one ampere in the conductor.
This is defined as a value that is the reverse of the resistance
Describe which element creates the electromotive force (e.m.f.)?
The electromotive force (e.m.f.) provided by a source of energy such as a battery or a generator is measured in volts.
The electromotive force (e.m.f.) provided by a resistor is measured in amperes.
The electromotive force (e.m.f.) provided by a conductor is measured in watts.
The electromotive force (e.m.f.) provided by a fixed resistoris measured in ohms.
The electromotive force (e.m.f.) provided by a switch is measured in ohms.
What is the definition of an electrical potential?
one joule per coulomb
one ampere second.
one joule per second.
one volt per ampere
What is the formula for determining electrical potential?
U = W/Q.
W=Pt/2
W=W*t/4
P=CRt
P=U/R
What is the unit of measurement of electrical resistance?
Сoulomb (C).
Ampere (A)
Volt(V)
Ohm(Ohm)
Watt(W)
What is the definition of an electrical resistance?
It is defined as the resistance between two points in a conductor when a constant electric potential of one volt applied at the two points produces a current flow of one ampere in the conductor.
Power is defined as the rate of doing work or transferring energy.
The coulomb is defined as the quantity of electricity which flows past a given point in an electric circuit when a current of one ampere is maintained for one second.
One volt is defined as the difference in potential between two points in a conductor which, when carrying a current of one ampere, dissipates a power of one watt
This is defined as a value that is the reverse of the resistance
What is the definition of an electrical resistance?
one volt per ampere
one ampere second.
one joule per second.
one joule per coulomb
What is the formula for determining electrical resistance?
R = U/I.
R=Pt/2
R=W*t/4
R=CRt
R=U/R
What is the unit of measurement of electrical conductance?
Siemens (S)
Ampere (A)
Watt(W).
Volt(V)
Сoulomb (C).
What is the definition of an electrical conductance?
This is defined as a value that is the reverse of the resistance
Power is defined as the rate of doing work or transferring energy.
The coulomb is defined as the quantity of electricity which flows past a given point in an electric circuit when a current of one ampere is maintained for one second.
One volt is defined as the difference in potential between two points in a conductor which, when carrying a current of one ampere, dissipates a power of one watt
It is defined as the resistance between two points in a conductor when a constant electric potential of one volt applied at the two points produces a current flow of one ampere in the conductor.
What is the definition of an electrical conductance?
one per ohm
one ampere second.
one joule per second.
one joule per coulomb
one volt per ampere
What is the formula for determining electrical conductance?
G = 1/R.
G=Pt/2
G=R*t/4
G=Rt
G=U/R
How many electrons there are in one Coulomb?
6.24 * 10^18 electrons.
6.24 * 10^16 electrons.
4.24 * 10^18 electrons.
8.24 * 10^19 electrons.
7.24 * 10^15 electrons.
What is the formula for determining electric power?
P = UI
P=Wt
P=W*t/L
P=CRt
P=U/R
What is the formula for determining electric energy?
W = UIt.
W=Pt/2
W=W*t/4
P=CRt
P=U/R
Define how many joules are in 1 kilowatt hour (kWh)?
3600000 J
360000 J
6300000 J
600000 J
4500000 J
A source e.m.f. of 5 V supplies a current of 3 A for 10 minutes. How much energy is provided in this time?
9kJ
9000 W
900J
90000 Ws
30 kJ
An electric heater consumes 1.8 MJ when connected to a 250 V supply for 30 minutes. Find the power rating of the heater and the current taken from the supply.?
4 A
4000 A
400mA
40000 mA
40 kA
What is the definition of a conductors?
Is are materials that contain electrons that are looselyconnected to the nucleus and can easily move through the material from one atom to another
Power is defined as the rate of doing work or transferring energy.
The coulomb is defined as the quantity of electricity which flows past a given point in an electric circuit when a current of one ampere is maintained for one second.
One volt is defined as the difference in potential between two points in a conductor which, when carrying a current of one ampere, dissipates a power of one watt
It is defined as the resistance between two points in a conductor when a constant electric potential of one volt applied at the two points produces a current flow of one ampere in the conductor.
What is the definition of an insulator?
Is are materials whose electrons are held firmly to theirnucleus.
Is are materials that contain electrons that are looselyconnected to the nucleus and can easily move through the material from one atom to another.
The coulomb is defined as the quantity of electricity which flows past a given point in an electric circuit when a current of one ampere is maintained for one second.
One volt is defined as the difference in potential between two points in a conductor which, when carrying a current of one ampere, dissipates a power of one watt
It is defined as the resistance between two points in a conductor when a constant electric potential of one volt applied at the two points produces a current flow of one ampere in the conductor.
What current must flow if 0.24 coulombs is to be transferred in 15 ms?
16 A
9000 A
900 A
90000 A
30 A
If a current of 10 A flows for four minutes, find the quantity of electricity transferred.
2400 Q
4000 Q
400 mQ
40000 mQ
40 kQ
What is the definition of an ammeter?
is an instrument used to measure current and must beconnected in series with the circuit.
is an instrument may be used to observe wave-forms and to measure voltages and currents.
is an instrument used to measure potential difference (p.d.)and must be connected in parallel with the part of the circuit whose p.d. is required.
is an instrument for measuring resistance.
is an universal instrument, may be used to measure voltage, current and resistance. An ‘Avometer’ is a typical example.
What is the definition of a voltmeter?
is an instrument used to measure potential difference (p.d.)and must be connected in parallel with the part of the circuit whose p.d. is required.
is an instrument used to measure current and must be connected in series with the circuit.
is an instrument for measuring resistance.
is an instrument may be used to observe wave-forms and to measure voltages and currents.
is an universal instrument, may be used to measure voltage, current and resistance. An ‘Avometer’ is a typical example.
What is the definition of an ohmmeter?
is an instrument for measuring resistance.
is an instrument used to measure current and must be connected in series with the circuit.
is an instrument used to measure potential difference (p.d.)and must be connected in parallel with the part of the circuit whose p.d. is required.
is an universal instrument, may be used to measure voltage, current and resistance. An ‘Avometer’ is a typical example.
is an instrument may be used to observe wave-forms and to measure voltages and currents.
What is the definition of a multimeter?
is an universal instrument, may be used to measure voltage, current and resistance. An ‘Avometer’ is a typical example.
isan instrument used to measure potential difference (p.d.) and must be connected in parallel with the part of the circuit whose p.d. is required.
is an instrument used to measure current and must beconnected in series with the circuit.
is an instrument may be used to observe wave-forms and to measure voltages and currents.
is an instrument for measuring resistance.
What is the definition of the cathode ray oscilloscope (CRO)?
is an instrument may be used to observe wave-forms and to measure voltages and currents.
is an instrument used to measure potential difference (p.d.)and must be connected in parallel with the part of the circuit whose p.d. is required.
is an instrument used to measure current and must beconnected in series with the circuit.
is an instrument for measuring resistance.
is an universal instrument, may be used to measure voltage, current and resistance. An ‘Avometer’ is a typical example.
What is the definition of the linear devices?
If the volt-ampere relationship of the device is shown as a straight line passing through the coordinate origin, shows that the current is directly proportional to the voltage. Since the gradient, i.e. (voltage./current), is constant, the resistance R is constant.
is an instrument used to measure potential difference (p.d.)and must be connected in parallel with the part of the circuit whose p.d. is required.
is an instrument used to measure current and must beconnected in series with the circuit.
is an instrument for measuring resistance.
is an universal instrument, may be used to measure voltage, current and resistance. An ‘Avometer’ is a typical example.
What is the definition of the non-linear devices?
If the volt-ampere dependence of the device is shown as a curved line passing through the coordinate origin.
is an instrument used to measure potential difference (p.d.)and must be connected in parallel with the part of the circuit whose p.d. is required.
is an instrument used to measure current and must beconnected in series with the circuit.
is an instrument for measuring resistance.
is an universal instrument, may be used to measure voltage, current and resistance. An ‘Avometer’ is a typical example.
What is the definition of the Ohm’s law?
Ohm’s law states that the current I flowing in a circuit is directly proportional to the applied voltage V and inversely proportional to the resistance R, provided the temperature remains constant.
is an instrument used to measure potential difference (p.d.)and must be connected in parallel with the part of the circuit whose p.d. is required.
is an instrument used to measure current and must beconnected in series with the circuit.
is an instrument for measuring resistance.
is an universal instrument, may be used to measure voltage, current and resistance. An ‘Avometer’ is a typical example.
What is the formula for determining Ohm’s law?
I = U/R.
U=Wt
R=W*t/L
P=CRt
P=U/R
The current flowing through a resistor is 0.8 A when a p.d. of 20 V is applied. Determine the value of the resistance?
25 Ohm
900 Ohm
900 kOhm
40000 mOhm
30 Ohm
Determine the p.d. which must be applied to a 2 k Ohm resistor in order that a current of 10 mA may flow ?
25 V
900 V
90 mV
40000 V
30 V
A coil has a current of 50 mA flowing through it when the applied voltage is 12 V. What is the resistance of the coil?
240 Ohm
900 Ohm
900 kOhm
40000 mOhm
30 Ohm
A 100 V battery is connected across a resistor and causes a current of 5 mA to flow. Determine the resistance of the resistor. If the voltage is now reduced to 25 V, what will be the new value of the current flowing?
20 kOhm, 1.25 mA
900 Ohm, 4.25 mA
900 kOhm, 1.25 kA
40000 mOhm, 195 A
30 Ohm, 15 MA
What is the resistance of a coil which draws a current of (a) 50 mA and (b) 200 μA from a 120 V supply?
2400 Ohm, 600 kOhm
900 Ohm, 600 Ohm
900 kOhm, 30 MOhm
40000 mOhm, 400 Ohm
30 Ohm, 600 mOhm
What is the formula for determining electric power?
P = U*U/R
P=Wt
P=W*t/L
P=CRt
P=U/R
