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प्रश्न
What is the criteria for selecting a fuse wire?
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उत्तर
A fuse wire shou Id have high resistance and low melting po int.
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संबंधित प्रश्न
One coulomb of charge flows through any cross-section of a conductor in 1 second. What is the current flowing through the conductor?
If the current through a floodlamp is 5 A, what charge passed in 10 seconds?
(a) 0.5 C
(b) 2 C
(c) 5 C
(d) 50 C
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?
State the S.I. unit of current.
Calculate the effective resistance between the points A and B in the network shown below in Figure 8.45
Which part of an electrical appliance is earthed?
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?
Define the following:
Conventional current
