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Senior High School · WASSCE style

Applied Technology

Question 1

1Which tool removes insulation from a wire?

Easy

A. wire stripper B. mallet C. chisel D. hacksaw

Question 2

2The colour code brown, black, red on a resistor means

Hard

A. 10 Ω B. 100 Ω C. 10,000 Ω D. 1000 Ω

Question 3

3Two 6 Ω resistors are connected in parallel. What is the combined resistance?

Medium

A. 6 Ω B. 36 Ω C. 3 Ω D. 12 Ω

Question 4

4A resistor coded brown–black–orange–gold has a value of

Hard

A. 100 kΩ ± 10% B. 1 kΩ ± 5% C. 10 Ω ± 5% D. 10 kΩ ± 5%

Question 5

5A diode allows current to flow

Easy

A. only in AC circuits B. only when it is cold C. in one direction only D. equally in both directions

Question 6

6A transformer has 1,000 turns on the primary and 50 on the secondary. With 240 V input, what is the output voltage?

Medium

A. 12 V B. 4,800 V C. 24 V D. 120 V

Question 7

7A multimeter set to the voltage range should be connected

Easy

A. without the circuit B. in series C. to the earth only D. in parallel with the component

Question 8

8The first colour band on a resistor represents the

Easy

A. multiplier B. tolerance C. power rating D. first digit of its value

Question 9

9The colour of the neutral wire in modern single-phase wiring is

Easy

A. green and yellow B. brown C. red D. blue

Question 10

10An appliance draws 2 A from a 240 V supply. What is its power?

Easy

A. 480 W B. 120 W C. 238 W D. 242 W

Answered0 / 10

1 2 3 4 5 6 7 8 9 10

Unanswered questions count as wrong. Theory questions are not scored.

Demo questions written by Otisam in the style of the WASSCE. They are not WAEC past questions.

Past questions, worked solutions and curriculum-mapped study material for JHS and SHS students and teachers in Ghana.

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