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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?
विकल्प
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
Two lamps, one rated 40 W at 220 V and the other 60 W at 220 V, are connected in parallel to the electric supply at 220 V.
(a) Draw a circuit diagram to show the connections.
(b) Calculate the current drawn from the electric supply.
(c) Calculate the total energy consumed by the two lamps together when they operate for one hour.
Find the effective resistance in the following circuit diagrams (Fig.):
Find the effective resistance in the following circuit diagrams (Fig.):
Two cells each having an e.m.f. of 2 V and an internal resistance of 2Ω are
connected (a) In series, and ( b) In para 1le l as shown in fig. . What is the
current flowing through the cir cu it in each_ case?
Match the following:
| 1. | 1 mA | a. | series |
| 2. | 1 pA | b. | ohmmeter |
| 3. | Ammeter | c. | 10-6 ampere |
| 4. | Electrical resistivity | d. | 10-3 ampere |
Problems for practice:
If 5A current flows through a circuit, then convert the current in terms of microampere?
A charge of 400C flows through a conductor for 13 minutes and 20 seconds. Find the magnitude of the current flowing through the conductor.
1020 electrons, each having a charge of 1.6 x 10-19 C, flows in a circuit V is 0.1s. What is the current in ampere?
