Question

The power rating for the air conditioner is 20KW and the voltage passing is 230 volts.
Considering the internal resistance within the circuit to be 60 ohm and time of consumption
to be 8 hours per day. Calculate the heat generated by the compressor of the air conditioner.​

Answer 1

Given : The power rating for the air conditioner is 20 KW and the voltage passing is 230 volts  

the internal resistance within the circuit to be 60 ohm and

time of consumption to be 8 hours per day.  

To Find : the heat generated by the compressor of the air conditioner.​

Solution:

Power  P = 20 kW = 20000 W

Voltage  V = 230V

Current  I =  ?

P = VI

=> 20000 = 230 I

=> I = 86.957 A

internal resistance within the circuit to be 60 ohm

heat generated by the compressor of the air conditioner.​ = I²Rt

= 86.957² * 60 *  8 * 3600

= 13,06,61,62,570.9  Joule

= 13,06,61,62.57  kJ

= 1.3066 x 10⁷ kJ

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Answer 2

${ \red{ \bf{ Given:}}}$

The power rating for the air conditioner is 20 KW and the voltage passing is 230 volts the internal resistance within the circuit to be 60 ohm and time of consumption to be 8 hours per day.

${ \red{ \bf{ To \: Find: }}}$

The heat generated by the compressor of the air conditioner.

${ \red{ \bf{ Solution: }}}$

Power P = 20 kW = 20000 W

Voltage V 230V

Current = ?

${ \red{ \bf{ P = VI }}}$

20000 230 1

1 = 86.957 A

Internal resistance within the circuit to be 60 ohm heat generated by the compressor of the air conditioner.

• 1²Rt
• 86.957² × 60 × 8 × 3600
• 13,06,61,62,570.9 Joule
• 13,06,61,62.57 kJ

${ \red{ \bf{ 1.3066 x 107 kJ }}}$