Advertisements
Advertisements
Question
What is international convention of colour coding in a cable?
Advertisements
Solution
International convention of colour coding:
1. Live wire - Brown
2. Neutral wire - Light blue
3. Earth wire - Green or yellow
APPEARS IN
RELATED QUESTIONS
The SI unit of charge is volt.
Which of the two is connected in series : ammeter or voltmeter?
The figure given below shows an electric circuit in which current flows from a 6 V battery through two resistors.
- Are the resistors connected in series with each other or in parallel?
- For each resistors, state the p.d. across it.
- The current flowing from the battery is shared between the two resistors. Which resistor will have bigger share of the current?
- Calculate the effective resistance of the two resistors.
- Calculate the current that flows from the battery.
What happens to the other bulbs in a parallel circuit if one bulb blows off?
Christmas tree lamps are usually wired in series. What happens if one lamps breaks?
An electric bulb is rated as 10 W, 220 V. How many of these bulbs can be connected in parallel across the two wires of 220 V supply line if the maximum current which can be drawn is 5 A?
Find the effective resistance in the following circuit diagrams (Fig.):

If a fuse contains a 5 A fuse wire and the voltage is 240 V, what is the maximum power (wattage) which may be taken from the circuit?
Tick (✓) the correct choice among the following :
Which of the following changes would enable a millimeter to be used as a
direct current ammeter reading upto 1 A?
State the condition when it is advantageous to connect cells in series.
