What is the definition of an potential difference?

A change in electric potential between two points in an electric circuit

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 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

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.

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.

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many elements make up a simple electrical circuit?

Three

Four

Five

Two

One

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit of measurement of electric charge?

Сoulomb (C).

Ampere (A)

Volt(V)

Ohm(Ohm)

Watt(W)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for determining electric charge?

Q = It.

Q=Rt

Q=LC

Q=IRt

Q=U/R

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit of measurement of electric power?

Сoulomb (C).

Ampere (A)

Volt(V)

Ohm(Ohm)

Watt(W)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

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Ағылшын 1-50

How many elements make up a simple electrical circuit?

What is the unit of measurement of electric charge?

What is the definition of an electrical charge?

What is the formula for determining electric charge?

Solve the problem. If a current of 5 A ﬂows for 2 minutes, ﬁnd the quantity of electricity transferred.

What is the unit of measurement of electric power?

What is the definition of an electrical power?

What is the definition of an electric charge?

What is the definition of an electric power?

What is the formula for determining electric power?

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