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Question

n equal resistors are first connected in series and then in parallel. The ratio of the equivalent resistance in the two cases is

n
1/n²
n²
l/n

The correct answer is: n²

A wire 50 cm long and 1 mm² in cross-section carries a current of 4 A when connected to a 2V battery. The resistivity of the wire is

Physics-General

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Physics-

The equivalent resistance of the network shown in the adjoining figure between the points A and B is

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n equal resistors are first connected in series and then in parallel. The ratio of the equivalent resistance in the two cases is

n
1/n²
n²
l/n

The correct answer is: n²

Related Questions to study

A wire 50 cm long and 1 mm² in cross-section carries a current of 4 A when connected to a 2V battery. The resistivity of the wire is

A wire 50 cm long and 1 mm² in cross-section carries a current of 4 A when connected to a 2V battery. The resistivity of the wire is

The equivalent resistance of the network shown in the adjoining figure between the points A and B is

The equivalent resistance of the network shown in the adjoining figure between the points A and B is

Equivalent resistance between points P and Q in the adjoining figure is

Equivalent resistance between points P and Q in the adjoining figure is

The S.I. unit of surface charge density is _____.

The S.I. unit of surface charge density is _____.

Find the final product Z of the following reaction

Find the final product Z of the following reaction

Coupling with diazonium salts of the following takes place in the order of

Coupling with diazonium salts of the following takes place in the order of

in the above reaction (A)and (B)are

in the above reaction (A)and (B)are

Dehydrohalogenation of the following in increasing order

Dehydrohalogenation of the following in increasing order

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n equal resistors are first connected in series and then in parallel. The ratio of the equivalent resistance in the two cases is

n 1/n2 n2 l/n

The correct answer is: n2

Related Questions to study

A wire 50 cm long and 1 mm2 in cross-section carries a current of 4 A when connected to a 2V battery. The resistivity of the wire is

A wire 50 cm long and 1 mm2 in cross-section carries a current of 4 A when connected to a 2V battery. The resistivity of the wire is

The equivalent resistance of the network shown in the adjoining figure between the points A and B is

The equivalent resistance of the network shown in the adjoining figure between the points A and B is

Equivalent resistance between points P and Q in the adjoining figure is

Equivalent resistance between points P and Q in the adjoining figure is

The S.I. unit of surface charge density is _____.

The S.I. unit of surface charge density is _____.

Find the final product Z of the following reaction

Find the final product Z of the following reaction

Coupling with diazonium salts of the following takes place in the order of

Coupling with diazonium salts of the following takes place in the order of

in the above reaction (A)and (B)are

in the above reaction (A)and (B)are

Dehydrohalogenation of the following in increasing order

Dehydrohalogenation of the following in increasing order

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n
1/n²
n²
l/n

The correct answer is: n²

A wire 50 cm long and 1 mm² in cross-section carries a current of 4 A when connected to a 2V battery. The resistivity of the wire is

A wire 50 cm long and 1 mm² in cross-section carries a current of 4 A when connected to a 2V battery. The resistivity of the wire is