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प्रश्न
Tick(✓) the correct choice in the following:
A three pin plug is connected to the lead for a 1 kW electric iron to be
used on a 250 V supply. Which of the following statements is not correct?
पर्याय
The fuse should be fitted in the I ive wire.
The live wire is coloured brown.
A 13 ampere fuse is the most suitable rating to use.
The yellow and green wire should be connected to the earth pin.
The blue wire should be connected to the neutral side of the mains.
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उत्तर
A 13 ampere fuse is the most suitable rating to use.
APPEARS IN
संबंधित प्रश्न
If the amount of electric charge passing through a conductor in 10 minutes is 300 C, the current flowing is:
(a) 30 A
(b) 0.3 A
(c) 0.5 A
(d) 5 A
In the circuit shown below, the voltmeter reads 10 V.
(a) What is the combined resistance?
(b) What current flows?
(c) What is the p.d. across 2 Ω resistor?
(d) What is the p.d. across 3 Ω resistor?
In the network shown in the following adjacent Figure, calculate the equivalent resistance between the points.
- A and B
- A and C
A 720 W heater operates from a 220 V line voltage. Calculate:
(a) The electrical energy consumed by the heater in 3 h.
(b) The cost of electrical energy consumption at the rate of 60 paise per kWh.
Complete the following sentence:
A fuse is connected in ........... with the ......... wire.
Define the following:
Semiconductors
An electric bulb is rated 250 W, 230 V.
- the energy consumed in one hour, and
- the time in which the bulb will consume 1.0 kWh energy when connected to 230 V mains.
