497352
Description
Quiz by tatemae.honne, updated more than 1 year ago
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Question 1
Question
What is the formula for potential difference?
Answer
-
W/Q
-
Q/W
-
WxQ
-
QxI
Question 2
Question
What is the unit of capacitance?
Answer
-
Ampere
-
Volt
-
Farad
-
Coulomb
Question 3
Question
What is the potential difference between two points when 15 J of work is done in moving 3 C of charge from one point to the other?
Answer
-
45 V
-
5 V
-
0.2 V
Question 4
Question
An electromotive force is a voltage that is applied to a circuit.
Answer
- True
- False
Question 5
Question
The capacitance of a parallel plate capacitor is inversely proportional to which of the following?
Answer
-
Distance
-
Common area
-
Permittivity
-
Currrent
Question 6
Question
When measuring the current of a piece of wire in a circuit, the ammeter is placed in parallel with the component it is measuring.
Answer
- True
- False
Question 7
Question
Which of the following are effects of an electric current?
Answer
-
Chemical
-
Magnetic
-
Sound
-
Light
-
Heat
Question 8
Question
What is the direction of conventional current?
Answer
-
Positive to negative
-
Negative to positive
Question 9
Question
Current from a battery is known as alternating current.
Answer
- True
- False
Question 10
Question
Which of the following safety devices is the safest?
Answer
-
Fuse
-
Residual current device
-
Miniature circuit breaker
Question 11
Question
Calculate the heat produced when a current of 6 amps flows for 4 seconds through a conductor of resistance 2 ohms.
Answer
-
96 J
-
48 J
-
288 J
-
192 J
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