The power (in KW) supplied to the starter motor of the large truck is 7.15 KW
What is power?
This is defined as the rate in which energy is consumed. Electrical power is expressed mathematically as:
Power (P) = voltage (V) × current (I)
P = IV
How to determine the power
The power can be obtained as illustrated below:
- Current (I) = 275 A
- Voltage (V) = 26 V
- Power (P) =?
P = IV
P = 275 × 26
P = 7150 V
Divide by 1000 to express in kilowatt (KW)
P = 7150 / 1000
P = 7.15 KW
Thus, the power supplied to the starter motor is 7.15 KW
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