Current Electricity and Electrical InstrumentHard
Question
In the circuit, the galvanometer G shows zero deflection. If the batteries A and Bhave negligible internal resistance, the value of the resistor R will be
Options
A.200 Ω
B.100 Ω
C.500 Ω
D.1000 Ω
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
Consider a circuit with a constant current source of IS = 2mA with a capacitor of 2μF and resistor of 5kΩ (as ...In the given black box unknown emf sources and unknown resistance are connected by an unknown method such that (i) when ...A current of 2 A flows through 2Ω resistor when connected across a batery. The same battery supplies current of 0.5...In a metre bridge experiment null point is obtained at 20 cm from one end of the wire when resistance X is balanced agai...A zener diode, having breakdown voltage equal to 15 V, is used in a voltage regulator circuit shown in the figure. The c...