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प्रश्न
What is international convention of colour coding in a cable?
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उत्तर
International convention of colour coding:
1. Live wire - Brown
2. Neutral wire - Light blue
3. Earth wire - Green or yellow
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संबंधित प्रश्न
<p> Define the unit of electric current (or Define ampere).
One coulomb of charge flows through any cross-section of a conductor in 1 second. What is the current flowing through the conductor?
A car headlight bulb working on a 12 V car battery draws a current of 0.5 A. The resistance of the light bulb is:
(a) 0.5 Ω
(b) 6 Ω
(c) 12 Ω
(d) 24 Ω
Calculate the equivalent resistance between A and B in the adjacent diagram.
60 joules of heat was dissipated in a resistor when 20 C flowed for 5 s. Calculate:
(a) P.d. across the resistor,
(b) Resistance of the resistor, and
(c) Average power dissipated in the resistor.
How should the electric lamps in a building be connected?
An ammeter is always placed in parallel with the circuit.
