Current Electricity (KVPY Stream-SA (Class 11) Physics): Questions 17 - 19 of 25
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Question number: 17
» Current Electricity » Series and Parallel Combinations of Resistors
Appeared in Year: 2014
Consider the circuit shown below where all resistors are of 1kΩ.
If a current of magnitude 1 mA flows through the resistor marked X, what is the potential difference measured between points P and Q?
Question number: 18
» Current Electricity » Electric Current
A current of 0.3 A flows through a 30 Ω resistor represented by the circuit diagram. The current in the 100 Ω resistor is,
Question number: 19
» Current Electricity » Ohm's Law
Appeared in Year: 2015
A light bulb of resistance R = 16 Ω is attached in series with an infinite resistor network with identical resistances r as shown below. A 10 V battery drives current in the circuit. What should be
the value of r such that the bulb dissipates about 1 W of power?