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Applied Electricity

Applied Electricity · Quick practice · answer shown after each question

Circuits

Question 1 of 10

Question 1 of 10

Two 10 Ω resistors in parallel give

Question 2 of 10

Question 2 of 10

A 12 V battery supplies 3 A. How much power does it deliver?

Question 3 of 10

Question 3 of 10

A 12 V battery drives 3 A through a resistor. The resistance is

Question 4 of 10

Question 4 of 10

Kirchhoff's voltage law states that around any closed loop

Question 5 of 10

Question 5 of 10

Three cells of 1.5 V each connected in series give a total e.m.f. of

Question 6 of 10

Question 6 of 10

The fuse rating most suitable for a 240 V, 2.4 kW heater is

Question 7 of 10

Question 7 of 10

Identical cells connected in parallel give

Question 8 of 10

Question 8 of 10

In a parallel circuit, the voltage across each branch is

Question 9 of 10

Question 9 of 10

A Wheatstone bridge has arms 10 Ω, 20 Ω, 15 Ω and X. At balance with 10/20 = 15/X, X is

Question 10 of 10

Question 10 of 10

A short circuit causes

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