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Integrated Science

Integrated Science · Quick practice · answer shown after each question

Basic electronics

Question 1 of 10

Question 1 of 10

A resistor in a circuit is used to

Question 2 of 10

Question 2 of 10

A light-dependent resistor is used in

Question 3 of 10

Question 3 of 10

Which material conducts electricity?

Question 4 of 10

Question 4 of 10

Which component lets current flow in one direction only?

Question 5 of 10

Question 5 of 10

A switch in a circuit is used to

Question 6 of 10

Question 6 of 10

In a circuit, a resistor is used to

Question 7 of 10

Question 7 of 10

The longer leg of an LED is the

Question 8 of 10

Question 8 of 10

Silicon and germanium are examples of

Question 9 of 10

Question 9 of 10

LED stands for

Question 10 of 10

Question 10 of 10

An LED with a forward voltage of 2 V is connected to a 9 V battery. To limit current to 20 mA, the series resistor should be

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.