EASY
Upper Secondary-IGCSE
IMPORTANT
Earn 100

Draw a diode in a circuit with a cell and a lamp so that current will flow.

Important Questions on Electrical Circuits

EASY
Upper Secondary-IGCSE
IMPORTANT
Why might a diode be a good idea in a circuit ?
HARD
Upper Secondary-IGCSE
IMPORTANT

In a rather complicated looking circuit, there are several lamps, LED's and LDR

Question Image

For each LED decide whether or not it will light up. Mark each LED that lights up with a tick .

HARD
Upper Secondary-IGCSE
IMPORTANT

In a rather complicated looking circuit, there are several lamps, LED's and LDR's

Question Image

For each lamp decide whether or not it will light up. Mark each Lamp that lights up with a tick .

EASY
Upper Secondary-IGCSE
IMPORTANT
Calculate the combined resistance of four 120 Ω connected in series.
EASY
Upper Secondary-IGCSE
IMPORTANT

Looking at the circuit shown in the diagram. State whether the three resistors are connected in series or parallel.

Question Image

EASY
Upper Secondary-IGCSE
IMPORTANT

For the given circuit find the combined resistance of the three resistors.

Question Image

EASY
Upper Secondary-IGCSE
IMPORTANT

Describe the nature of current in the circuit.

Question Image

EASY
Upper Secondary-IGCSE
IMPORTANT

State whether the two resistors are connected in series or parallel?

Question Image