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संबंधित प्रश्न
Find the equivalent resistance between A and B
How does the presence of impurities in a metal affect its resistance?
Name a substance of which the resistance remains almost unchanged by the increase in temperature.
How does the resistivity of a semiconductor depend on temperature?
The voltage applied to a given rheostat is made four times its initial value. By what factor will be resistance of the rheostat change?
State expression for Resistance connected in parallel.
Calculate the equivalent resistance between P and Q from the following diagram:
If the current I through a resistor is increased by 100% (assume that temperature remains unchanged), the increase in power dissipated will be:
In an electrical circuit, two resistors of 2 Ω and 4 Ω respectively are connected in series to a 6 V battery. The heat dissipated by the 4 Ω resistor in 5 s will be ______.
