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Applied Electricity

Applied Electricity · Quick practice · answer shown after each question

Applied Electricity quick practice

Question 1 of 10

Question 1 of 10

A person receiving an electric shock should first be

Question 2 of 10

Question 2 of 10

Resistors of 4 Ω and 12 Ω are connected in parallel. Find the equivalent resistance.

Question 3 of 10

Question 3 of 10

The frequency of the mains supply in Ghana is

Question 4 of 10

Question 4 of 10

Voltage drop in a long cable can be reduced by

Question 5 of 10

Question 5 of 10

Conduit pipes in wiring are used to

Question 6 of 10

Question 6 of 10

An insulation resistance test is carried out with a

Question 7 of 10

Question 7 of 10

A circuit draws 10 A at 240 V with a power factor of 0.8. The true power is

Question 8 of 10

Question 8 of 10

The three terminals of a bipolar junction transistor are

Question 9 of 10

Question 9 of 10

Capacitive reactance decreases when the

Question 10 of 10

Question 10 of 10

A 100 W bulb is used for 10 hours. How much energy does it use?

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