In India, single-phase AC wall sockets are generally supplied with ______ frequency.

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ALP CBT 2 Electrician Previous Paper: Held on 23 Jan 2019 Shift 1
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  1. 65 Hz
  2. 100 Hz
  3. 40 Hz
  4. 50 Hz

Answer (Detailed Solution Below)

Option 4 : 50 Hz
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In India, single-phase AC wall sockets are generally supplied with 230 V, 50 Hz single-phase supply.

Country

1 - ϕ Voltage ( Volts)

Supply frequency (Hz)

Plug type

Australia

officially 230 V (in practice often 240 V)

50 Hz

I

Brazil

127 V / 220 V

60 Hz

C / N

China

220 V

50 Hz

A / C / I

France

230 V

50 Hz

C / E

India

230 V

50 Hz

C /D /M

Pakistan

230 V

50 Hz

C / D

United Kingdom (UK)

230 V

50 Hz

G

United States of America (USA)

120 V

60 Hz

A / B

 

 

 

 

 

 

 

 

 

 

 

 

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