The current in the adjoining circuit will be

(1) $\frac{1}{45}ampere$

(2) $\frac{1}{15}ampere$

(3) $\frac{1}{10}ampere$

(4) $\frac{1}{5}ampere$

PMT - 1991

Concept Questions :-

Combination of resistors

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The reading of the ammeter as per figure shown is

(1) $\frac{1}{8}A$

(2) $\frac{3}{4}A$

(3) $\frac{1}{2}A$

(4) 2 *A*

Concept Questions :-

Combination of resistors

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Three resistors each of 2 *ohm* are connected together in a triangular shape. The resistance between any two vertices will be

(1) 4/3 *ohm*

(2) 3/4 *ohm*

(3) 3 *ohm*

(4) 6 *ohm*

PMT - 1983

Concept Questions :-

Combination of resistors

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There are *n* similar conductors each of resistance *R*. The resultant resistance comes out to be *x* when connected in parallel. If they are connected in series, the resistance comes out to be :

(1) *x*/*n*^{2}

(2) *n*^{2}*x *

(3) *x*/*n*

(4) *nx*

PMT - 2004

Concept Questions :-

Combination of resistors

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Equivalent resistance between *A* and *B* will be** **

(1) 2 *ohm*

(2) 18 *ohm*

(3) 6 *ohm*

(4) 3.6 *ohm*

PMT - 1981

Concept Questions :-

Combination of resistors

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A current of 2 A flows in a system of conductors as shown. The potential difference $({V}_{A}-{V}_{B})$ will be** **

(1) +2 *V*

(2) +1 *V *

(3) –1 *V *

(4) –2 *V *

PMT - 1975

Concept Questions :-

Kirchoff's voltage law

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Referring to the figure below, the effective resistance of the network is** **

(1) 2*r*

(2) 4*r*

(3) 10*r*

(4) 5*r*/2

Concept Questions :-

Combination of resistors

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Two resistances are joined in parallel whose resultant is $\frac{6}{8}$ *ohm*. One of the resistance wire is broken and the effective resistance becomes 2Ω. Then the resistance in *ohm* of the wire that got broken was

(1) 3/5

(2) 2

(3) 6/5

(4) 3

PMT - 1976

Concept Questions :-

Combination of resistors

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The equivalent resistance of resistors connected in series is always :

(1) Equal to the mean of component resistors

(2) Less than the lowest of component resistors

(3) In between the lowest and the highest of component resistors

(4) Equal to the sum of component resistors

PMT - 1984

Concept Questions :-

Combination of resistors

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A cell of negligible resistance and e.m.f. 2 volts is connected to a series combination of 2, 3, and 5 *$\Omega $*. The potential difference in volts between the terminals of 3 *$\Omega $* resistance will be :

(1) 0.6 V

(2) 2/3 V

(3) 3 V

(4) 6 V

PMT - 1976

Concept Questions :-

Grouping of cells

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Difficulty Level: