Question discussion

A water boiler of a home is switched on to the ac mains supplying power at 230 V/60 Hz. The frequency of instantaneous power consumed by th…

176189Medium 2 replies 1,397 views
28
A water boiler of a home is switched on to the ac mains supplying power at 230 V/60 Hz. The frequency of instantaneous power consumed by the boiler is
  • A0 Hz
  • B60 Hz
  • C120 Hz
  • D180 Hz
Answer not set
0
CCommunity
A water boiler of a home is switched on to the ac mains supplying power at 230 V/60 Hz.

Frequency (f) = 60 Hz

The frequency of instantaneous power = 2f = 2 × 60 = 120 Hz
0
CCommunity
3). 120 Hz is the correct answer