Switching of a lamp in house produces noise in the radio. This is because switching operation produces __________?

Current Electricity Mcqs
Aroma Ann0

A. arcs across separating contacts
B. mechanical noise of high intensity
C. both mechanical noise and arc between contacts
D. none of the above

Related Mcqs:

  1. If a centrifugal pump is noisy in operation, the cause may be________________?
  2. Which of the following operation produces highest noise level?
  3. The noise of the traffic kept me awake.
  4. The noise of traffic kept me awake.
  5. Children make a noise.
  6. “What’s that noise? It sounds like an aeroplane,” said Ravi.
  7. He said to them, “Don’t make a noise.”
  8. For testing appliances, the wattage of test lamp should be __________?
  9. In a lamp load when more than one lamp are switched on the total resistance of the load __________?
  10. The advantage of mercury switch is

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