NEW
Font size
WorksheetsElectrical Circuit Theory Dote Unit1
Total questions: 30
Worksheet time: 23mins
.
_____________ are the basic laws for analyzing a circuit.?
Newton's Law
Einstein Theory
Kirchhoff's Law
Faradays Law
Which of the following component is used to make and break a circuit?
wire
switch
bulb
All of the above
.
A component which provides resistance is called
Circuit
Resistor
Cell
Fuse
The SI unit of electric charge
Ampere (A)
Joule (J)
Coulomb (C)
Volt (V)
The SI unit of Electric Potential
Magnetomotive Force
Ampere-Turns
Joule
Volt (V)
One watt is equal to
Newton/Coulomb
Joule/second
Volt/meter
Newton -meter
The SI unit of electric current
Coulomb (C)
Joule (J)
Ampere (A)
Volt (V)
Kirchhoff's Voltage Law (KVL) states that...
the algebraic sum of the potential differences in any loop must be equal to zero
In a closed circuit, the amount of algebraic electromotive force (є) with a voltage drop (I.R) is zero.
the algebraic sum of the potential differences in any loop must be equal to 1
Supernode requires the application of KVL
This is the symbol for a _____?
an AC current source
a battery
a DC current source
a single cell
Which of the following are the standard components of an electric circuit?
Voltage and current source
Passive components
Connecting wires
All the above
A resistor has minimum of __ number of terminals?
2
4
3
5
Which of the following is a Kirchhoff’s first law?
KCL
KVL
Current Law
Both A and C
Which of the following is Kirchhoff’s second law?
KCL
KVL
Current Law
Both A and C
Which of the following Kirchhoff’s law defines incoming and outgoing sum of currents towards node are equal?
KCL
KVL
Voltage Law
Both B and C
Which of the formula defines KCL where i1, i2 are incoming currents and i3,i4 are outgoing currents from a node in a circuit?
i1+i2=i3+i4
i1+i3=i2+i4
i1-i2=i3-i4
i4-i1=i2+i3
Which of the following law calculates resistance of electric circuit?
KVL
Ohms law
KCL
Both B and C
Which of the following is the application of Kirchhoff’s law?
Determine current in circuit
Determine potential drop
Determine current direction
All the above
Which of the following law is used for analyzing a circuit?
Ohms law
Faradays law
Newtons law
Kirchhoff’s law
The picture shows an electrical circuit. This circuit is a series circuit because:
It has 3 light bulbs.
The same current flows through all three light bulbs.
It uses a single battery.
The electrical current is divided between the three light bulbs.
In a parallel circuit if one of the light bulbs burns out the rest _________.
stop the flow of electricity
can still light up
will go out
of the light bulbs burn out also
Does this diagram represent a series or parallel circuit?
series circuit
parallel circuit
Both
None of the above
What is current measured in?
Ω (Ohms)
A (Amps)
V (Volts)
W (Watts)
What is Resistance?
The flow of electrons
Electric potential difference
A battery
The ability to reduce the flow of electrons
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
25 V
10 V
2.5 V
0.4 V
The mathematical relationship among Voltage, Current, and Resistance
Faraday's Law
Tesla's Law
Ohm's Law
Edison's Law
Voltage divided by Resistance
(V / R)
Current
Power
Ohms
Watts
Voltage divided by Current
(V / I)
Current
Resistance
Power
Watts
What is one example of a load?
Battery
Light bulb
Wire
Eraser
The flow of electricity is called...
circuit
electrical current
power source
load
What is the measure of opposition to current flow in a circuit called?
Current
Resistance
Voltage
Power
