Electricity GCSE (Test 2)

1. Ampere (A)

2. Volt (V)

3. Ohm (Ω)

4. Coulomb (C)

1. It increases.

2. It decreases.

3. It initially increases, then decreases.

4. It stays the same.

1. 0.17 Ω

2. 6 Ω

3. 14 Ω

4. 24 Ω

1. Watt (W)

2. Joule (J)

3. Volt (V)

4. Ampere (A)

1. Current that flows in one direction only.

2. Current that flows in both directions alternately.

3. Current that flows at a constant rate.

4. Current that flows in a circuit with no resistance.

1. They also fail.  

2. Their resistance increases.

3. Their voltage decreases.

4. They continue to function normally.

1. Volt (V)

2. Ohm (Ω)

3. Ampere (A)

4. Coulomb (C)

1. ${\displaystyle V=\frac{I}{R}}$

2. ${\displaystyle R=\frac{I}{V}}$

3. ${\displaystyle I=V\times <!--\; \times \; -->R}$

4. ${\displaystyle V=I\times <!--\; \times \; -->R}$

1. Their resistance increases.

2. They also fail.  

3. They continue to function normally.

4. Their voltage decreases.

1. 110 V

2. 120 V

3. 220 V

4. 230 V