Networks Analysis and Synthesis - Engineering

Q1:

The electrical energy required to heat a bucket of water to a certain temperature is 2 kWh. If heat losses, are 25%, the energy input is

A 2.67 kWh

B 3 kWh

C 2.5 kWh

D 3.5 kWh

ANS:A - 2.67 kWh

Since 25% of input is lost, 0.75 Input = 2 or input =