Rankers Physics

Measuring Devices ( Galvanometer, Voltmeter and Ammeter & Meter Bridge ): Practice Problem & Solution

In the circuit shown the reading of ammeter is 2A. The ammeter has negligible resistance. The value of R equals. Measuring Devices ( Galvanometer, Voltmeter and Ammeter & Meter Bridge ) diagram: In the circuit shown the reading of ammeter
2Ω
4Ω
6Ω
8Ω

No solution provided for this question.

Leave a Reply

Your email address will not be published. Required fields are marked *

Similar Practice Questions

Explore conceptually related problems to test your knowledge.

1. Assertion (A): Electric appliances with a metallic body have three pin connections whereas an electric bulb has two pin connections. Reason (R): Three pin connection reduces heating of connecting cable.  
2. A galvanometer of $50\text{ }\Omega$ resistance has $25$ divisions. A current of $4 \times 10^{-4}\text{ A}$ gives a deflection of one division. To convert this galvanometer into a voltmeter having a range of $25\text{ V}$, it should be connected with a resistance of: (2004)
3. The resistance of the ammeter shown in figure is 0.8 Ω . Its reading is
4. A potentiometer is an accurate and versatile device to make electrical measurements of E.M.F. because the method involves: (2017-Delhi)
5. Assertion (A): In a balanced Wheatstone bridge, the current through cell depends on resistance of galvanometer. Reason (R): At balanced condition current through galvanometer is non-zero.