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The resistances of the four arms P,Q,R and S in a Wheatstone’s bridge are 10Ω, 30Ω, 30Ωand 90Ω respectively. The emf and internal resistance of the cell are 7V and 5Ω, respectively. If the galvanometer resistance is 50Ω, then the current drawn from the cell will be
Options
(a) 1.0A
(b) 1.6A
(c) 2.0A
(d) 2.6A
Correct Answer:
1.6A
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Current Electricity
(136)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two wires of the same dimensions but resistivities p1 and p2 are connected in series
- An electric lamp is connected to 220 V, 50 Hz supply. Then the peak voltge is
- In a ionised gas,the mobile charge carriers are
- A force of 10N is applied on a body for 3 sec and the corresponding displacement 6 m.
- A spherical conductor of radius 2 m is charged to a potential of 120 V. It is now
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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