Challenger App

No.1 PSC Learning App

1M+ Downloads
The time required for 1 KW electric heater to raise the temperature of 10 litres of water through 10°C is :

A210 sec

B420 sec

C42 sec

D840 sec

Answer:

B. 420 sec


Related Questions:

What does the term 'Upa' in the term Upanishad denote?
Walking over the area and observing its main features and boundaries is known as:
A material commonly used for shielding or screening magnetism is :
The rotor of the salient pole alternator has 24 poles. The number of cycles of emf in one revolution would be :
A cost incurred in the past and that cannot be recovered in the future is called_______