Quiz
Current Electricity: Quiz
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Questions in this quiz (11)
1What is the formula for potential difference?
- AW/Q
- BQ/W
- CWxQ
- DQxI
2What is the unit of capacitance?
- AAmpere
- BVolt
- CFarad
- DCoulomb
3What 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?
- A45 V
- B5 V
- C0.2 V
4An electromotive force is a voltage that is applied to a circuit.
- ATrue
- BFalse
5The capacitance of a parallel plate capacitor is inversely proportional to which of the following?
- ADistance
- BCommon area
- CPermittivity
- DCurrrent
6When measuring the current of a piece of wire in a circuit, the ammeter is placed in parallel with the component it is measuring.
- ATrue
- BFalse
7Which of the following are effects of an electric current?
- AChemical
- BMagnetic
- CSound
- DLight
- EHeat
8What is the direction of conventional current?
- APositive to negative
- BNegative to positive
9Current from a battery is known as alternating current.
- ATrue
- BFalse
10Which of the following safety devices is the safest?
- AFuse
- BResidual current device
- CMiniature circuit breaker
11Calculate the heat produced when a current of 6 amps flows for 4 seconds through a conductor of resistance 2 ohms.
- A96 J
- B48 J
- C288 J
- D192 J
Information
- Description
- This quiz tests knowledge of current electricity. It covers potential difference, capacitance, electric current, Joule's law, and domestic circuits. It is best used in conjunction with the mind map on current electricity and corresponding notes and flash cards.
- Author
- tatemae.honne
- Language
- English
- Views
- 219
- Tags
- Rating
- 3.0 out of 5 · 1 rating Rate this quiz