Y10 Physics Cycle 2 Electricity

Question 1

What does the cell do?

Answer 1

Store of chemical energy.

Question 2

What does the battery do?

Answer 2

2 or more cells in series.

Question 3

What does the switch do?

Answer 3

Completes a circuit or breaks circuit.

Question 4

What does the lamp do?

Answer 4

Lights when current flows.

Question 5

Ammeter?

Answer 5

Measure current in amps. (A)

Question 6

Voltmeter?

Answer 6

Measure potential difference in volts (V).

Question 7

What does the diode do?

Answer 7

Current flows in one direction.

Question 8

What does the Light Emitting diode or (LED) do?

Answer 8

Emits light when current flows.

Question 9

What does the Light Dependent Resistor or (LDR) do?

Answer 9

Resistance decreases as light intensity increases.

Question 10

What does the fuse do?

Answer 10

Wire melts and breaks when current is too high.

Question 11

What does the variable resistor do?

Answer 11

Allows current to be varied.

Question 12

What does the resistor do?

Answer 12

Affects size of current flowing.

Question 13

What does the thermistor do?

Answer 13

Resistance is the dependent on temperature.