Current electricity questions | form three Physics

Which of the following is a symbol for a cell?

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UNSOLVED

Define the following

1. An ammeter
2. A voltmeter
3. A resistor

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UNSOLVED

You are given a set of the following: a switch, a cell, an ammeter, a voltmeter, a resistor and connecting wires. Draw a complete circuit diagram to show the arrangement such
that the current can flow.

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UNSOLVED

A potential difference of 12 V is applied across a resistor of 120 Ω, the current in the
circuit is
A. 0.1 A
B. 10 A
C. 132 A
D. 440 A

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UNSOLVED

1. State Ohm’s law.
2. A cell of 8 V is connected in series with a resistor of 3 Ω. What is the value of the current through the resistor?

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UNSOLVED