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प्रश्न
Define an electric current.
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उत्तर १
An electric current is measured by the amount of electric charge moving per unit time at any point in the circuit.
उत्तर २
The magnitude of an electric current is the number of electric charges flowing through a conductor in one second.
संबंधित प्रश्न
What actually travels through the wires when you switch on a light?
A battery and three lamps are connected as shown:
Which of the following statements about the currents at X, Y and Z is correct?
(a) The current at Z is greater than that at Y.
(b) The current at Y is greater than that at Z.
(c) The current at X equals the current at Y.
(d) The current at X equals the current at Z.
Tick(✓) the correct choice in the following:
The outer casing of an electric iron is generally connected to earth in order
to
Find the effective resistance in the following circuit diagrams (Fig.):
Study the following circuit and find out:
(i) Current in 12 Ω resistor.
(ii) The difference in the readings of A1 and A2, if any.
What is the speed of electric current?
Problems for practice:
If 5A current flows through a circuit, then convert the current in terms of microampere?
