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Physics
The relation between the charge flow Δ Q through the circuit of resistance r and the change in the magnetic flux Δ φB is
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Q. The relation between the charge flow $\Delta Q$ through the circuit of resistance r and the change in the magnetic flux $\Delta \phi_B$ is
KEAM
KEAM 2020
A
$\Delta Q = \frac{\Delta\phi_{B}}{r}$
B
$\Delta Q_B = \frac{\Delta Q}{r}$
C
$\Delta Q_B =\Delta Q$
D
$\Delta Q_B = \frac{\Delta Q}{r^2}$
E
$\Delta Q_B = \frac{r}{Q_B}$
Solution:
Correct answer is (a) $\Delta Q = \frac{\Delta\phi_{B}}{r}$