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A resistor marked is first connected to a 9 V ideal battery and then to a 12 V ideal…
PHYSICS · Single correct · CBSE · Physics · Electricity · Electricity
Problem
A resistor marked
R
=
200
Ω
R=200\,\Omega
R
=
200
Ω
is first connected to a 9 V ideal battery and then to a 12 V ideal battery. What is the ratio
I
12
/
I
9
I_{12}/I_{9}
I
12
/
I
9
of the current with the 12 V battery to the current with the 9 V battery? (a)
16
9
\dfrac{16}{9}
9
16
(b)
4
3
\dfrac{4}{3}
3
4
(c)
3
4
\dfrac{3}{4}
4
3
(d)
1
2
\dfrac{1}{2}
2
1
Related theory
Ohm's Law
Ohm's Law (Macroscopic)
Ohm's law and V-I graphs
Electricity
Electric Circuits
Ohm's law, V-I graphs and ohmic/non-ohmic conductors
Current Electricity
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