Electronics - Voltage and Current - Discussion
Discussion Forum : Voltage and Current - General Questions (Q.No. 2)
2.
If 60 J of energy are available for every 15 C of charge, what is the voltage?
Discussion:
162 comments Page 7 of 17.
ASHSIH said:
1 decade ago
Electrical Energy = KWHr
Power = Voltage * Current - (i)
i=(q/t)
hence Charge (q) = i * t
Thus
E = Power * t
E = V * i * t
E = V * q
V = E / q
v = 60/15
V = 4v
Power = Voltage * Current - (i)
i=(q/t)
hence Charge (q) = i * t
Thus
E = Power * t
E = V * i * t
E = V * q
V = E / q
v = 60/15
V = 4v
Atul mehta,wit said:
1 decade ago
The option 'a' is correct because
we know that power=volt*current.
power is measured in joule.
while current is flow of charges having unit coulomb.
v=p/c
=60/15=4
we know that power=volt*current.
power is measured in joule.
while current is flow of charges having unit coulomb.
v=p/c
=60/15=4
SADANANDAM said:
1 decade ago
V=W/Q; GENERAL FORMULA;
I.E
V=?
W=P=E=60;
Q=15;
60/15=4;//ANS
I.E
V=?
W=P=E=60;
Q=15;
60/15=4;//ANS
Avinash.A said:
1 decade ago
The definition of potential or voltage is workdone in moving a charge from one point to another. So 1V is defined as 1J of energy spent in moving 1C of charge so here 60J of energy is demanding in moving 15C of charge so potential is 4V.
Amit singh said:
1 decade ago
V=W/Q; GENERAL FORMULA;
I.E
V=?
W=P=E=60;
Q=15;
60/15=4;//ANS
I.E
V=?
W=P=E=60;
Q=15;
60/15=4;//ANS
D.Saibabu said:
1 decade ago
Here he has given that Energy=60j
and q charge =15c
We know that potential(v) is nothing but the energy per unit charge so
V=E/q
V=60/15
V=4v
and q charge =15c
We know that potential(v) is nothing but the energy per unit charge so
V=E/q
V=60/15
V=4v
Jaimin patel gujarat said:
1 decade ago
1/2*(c*v*v)=u(energy)
Bheemreddy said:
1 decade ago
Q = CV
So V = Q/C.
So V = Q/C.
Dinabandhu sabata said:
1 decade ago
Energy=Power*t
E=V*I*t
E=V*Q
V=E/Q
V=60/15=4V
E=V*I*t
E=V*Q
V=E/Q
V=60/15=4V
Seetharaman said:
1 decade ago
V=IR
P=VI
V= E /Q
V= Voltage
E= Energy
Q= Charge Time
V=60/15=4V
P=VI
V= E /Q
V= Voltage
E= Energy
Q= Charge Time
V=60/15=4V
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