$n$ equal resistors are first connected in series and then connected in parallel. The ratio of the maximum to the minimum resistance is
$n$ equal resistors are first connected in series and then connected in parallel. The ratio of the maximum to the minimum resistance is
- A
$n$
- B
$n^{2}$
- C
$1 / n$
- D
$1 / n^{2}$
Similar Questions
A wire of length $L$ and resistance $R$ is stretched so that the length is doubled and area of cross-section is halved. How will its
$(a)$ resistance change ?
$(b)$ resistivity change ?
A wire of length $L$ and resistance $R$ is stretched so that the length is doubled and area of cross-section is halved. How will its
$(a)$ resistance change ?
$(b)$ resistivity change ?
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$(b)$ How much current will an electric heater coil draw from a $220\, V$ source, if the resistance of the heater coil is $100\, ohm$ ?
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$(b)$ How much current will an electric heater coil draw from a $220\, V$ source, if the resistance of the heater coil is $100\, ohm$ ?
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