A Cyberphysics Page

Questions on Electric Circuits

Q5. A pupil makes some electrical circuits. Each circuit contains a motor and a buzzer.

The motor and the buzzer can be switched on or off by three switches, A, B and C.

For each circuit diagram, state whether:

(i) the motor is on or off

(ii) the buzzer is on or off.

(a)

(i) the motor is on

(ii) the buzzer is on

1 mark

(b)

(i) the motor is off

(ii) the buzzer is off.

1 mark

(c)

(i) the motor is on.

(ii) the buzzer is off.

1 mark

(d)

(i) the motor is off

(ii) the buzzer is on.

1 mark

(e)

(i) the motor is off

(ii) the buzzer is off.

1 mark

Maximum 5 marks