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प्रश्न
The frequency of alternating current (a.c.) supply in India is ______.
पर्याय
0 Hz
50 Hz
60 Hz
100 Hz
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उत्तर
The frequency of alternating current (a.c.) supply in India is 50 Hz.
Explanation:
In India, the standard domestic power grid supplies electricity that alternates or completes 50 full cycles per second (Hertz).
संबंधित प्रश्न
State the principle of an electric generator.
A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each______.
The device used for producing electric current is called a ______.
Explain the principle of an electric generator.
A d.c. generator is based on the principle of:
(a) electrochemical induction
(b) electromagnetic induction
(c) magnetic effect of current
(d) heating effect of current
State whether the following statement are true of false:
A miniature circuit breaker (MCB) works on the heating effect of current.
State one advantage of using a.c. over d.c.
Observe the figure and write the answers to the questions asked.
- The construction shown in the figure is of which device?
- Explain the principle on which this device works.
- Write any three uses of this device.
How is peak current related to peak EMF and external resistance?
What is the frequency of rotation of the stationary-bicycle generator's coil?
