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Calculate the electrical energy expended in a device across which the circuit voltage drops by 40.0 volts in moving a charge of 2 coulombs. A) 20 B) 80
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Calculate the electrical energy expended in a device across which the circuit voltage drops by 40.0 volts in moving a charge of 2 coulombs.

A) 20
B) 80

User Lab Lab
by
7.7k points

2 Answers

3 votes

Answer:

80

Step-by-step explanation:

User PseudoToad
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9.0k points
3 votes
Electrical energy = Q x V
Energy = 2 x 40
= 80

The correct answer is B.
User Zigomir
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8.5k points
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