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Basic Concept of Electricity MCQs

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Practice free Basic Concept of Electricity multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 171 questions — no login required.

Question 1easy
Two wires A and B have the same cross-section and are made of the same material. RA = 600 LI and RB = 100 The number of times A is longer than B is
Question 2easy
When a low resistance is connected in parallel with a high resistance, the combined resistance is
Question 3easy
Two 100 W, 200 V lamps are connected in series across a 200 V supply. The total power consumed by each lamp will be-watts.
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Question 4easy
The factor which will have least effect on the voltage at the load end of a two-wire supply circuit is
Question 5easy
For a given line voltage, four heating coils will produce maximum heat when connected
Question 6easy
For current to flow, a circuit must be
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Question 7easy
If a 'live' conductor of a public supply touches earth metal
Question 8easy
Electric shock is
Question 9easy
Kirchhoff's voltage law is not valid for a non-linear network