An electric car uses a 45-kW motor. If the battery pack is designed for 340?V, what current would the motor need to draw from the battery? Neglect any energy losses in getting energy from the battery to the motor.
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So, 45 kW is equal to 45000 W. Show more…
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(I) An electric car uses a 45-kW (160-hp) motor. If the battery pack is designed for 340V, what current would the motor need to draw from the battery? Neglect any energy losses in getting energy from the battery to the motor.
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(I) An electric car has a battery that can hold 16 kWh of energy (approximately 6 $\times$ 10$^7$J). If the battery is designed to operate at 340 V, how many coulombs of charge would need to leave the battery at 340 V and return at 0 V to equal the stored energy of the battery?
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