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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
- An object is placed at a distance of 10 cm from a co-axial combination of two lenses
- An electric dipole placed in a non-uniform electric field experiences
- The ionisation energy of an electron in the ground state of helium atom is 24.6 eV.
- In common base mode of a transistor, the collector current is 5.488 mA
- If ∆Q>0 when heat flows into a system, ∆W>0 when work is done on the system
Topics: Current Electricity (136)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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