Moving 4.0 coulombs of charge through a circuit requires 48 joules of electric energy. What is the potential difference across this circuit? (1) 190 V (3) 12 V
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Question
Moving 4.0 coulombs of charge through a circuit
requires 48 joules of electric energy. What is the
potential difference across this circuit?
(1) 190 V (3) 12 V
(2) 48 V (4) 4.0 V
requires 48 joules of electric energy. What is the
potential difference across this circuit?
(1) 190 V (3) 12 V
(2) 48 V (4) 4.0 V
2 Answer

1. User Answers TaylorBayley
We know that V=E/Q Where V is the PD, E is the energy, and Q is the charge.
Substituting in the values gives V=48/4=12
Therefore the PD across the circuit is 12V 
2. User Answers shubhamchouhanvrVT
The potential difference across this circuit will be 12V.
What will be the potential difference across this circuit?
Voltage is defined as the force which pushes the charge in the circuit the flow of charge depends on the voltages.
It is given that
Charge [tex]Q=4\ C[/tex]
Energy [tex]E=48 \ J[/tex]
As we know that potential difference is given as
[tex]V=\dfrac{E}{Q}[/tex]
[tex]V=\dfrac{48}{4} =12\ volt[/tex]
Thus potential difference across this circuit will be 12V.
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