Current sensitivity of a moving coil galvanometer is 5 div/mA and its voltage sensitivity…
Physics · Class 12 · CBSE — Moving Charges and Magnetism
Current sensitivity of a moving coil galvanometer is 5 div/mA and its voltage sensitivity (angular deflection per unit voltage applied) is 20 div/V. The resistance of the galvanometer is:
- 250 \(\Omega\)
- 40 \(\Omega\)
- 500 \(\Omega\)
- 25 \(\Omega\)
Answer
(A) 250
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- What is the magnetic field at a distance R from a coil of radius r carrying current I?
- An electron with velocity v = (v_x i +v_y j ) moves through a magnetic field B = (B_x i -B_y j ) . The force…
- Two long parallel wires kept 2 m apart carry 3A current each, in the same direction. The force per unit…
- A square current carrying loop is suspended in a uniform magnetic field acting in the plane of the loop. If…
- Two charged particles, P and Q , each having charge q but of masses m_1 and m _2 , are accelerated through…
- A galvanometer having a coil resistance of 48 shows full-scale deflection for a current of 2.0 A. It can be…
- A square loop ABCD carrying a current i is placed near and coplanar with a long straight conductor XY…
- A closely wound solenoid of 1000 turns and area of cross section 1.4 × 10 –4 m 2 carrying a current of 3 A is…
More Moving Charges and Magnetism questions · Browse all practice questions