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JEE PHYSICS MCQ: CURRENT ELECTRICITY
1
Medium
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Application
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An electric lamp is marked . The cost of a of energy is . The cost of using this lamp a day for is
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Correct option: C
Option C (Rs. 18) is correct because it is calculated by finding the total energy consumed in kWh and multiplying it by the cost per kWh.
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Statement-1: If a resistor is connected to a battery the current decreases when the temperature increases.
Statement-2: For most of the resistors, resistance increases with increase in temperature. The reciprocal of resistance is Corresponding to the resistance , which is order of colour coding on carbon resistors? In a meter bridge, the gaps are closed by resistance 2 and 3 ohms. The value of shunt to be added to 3 ohm resistor to shift the balancing point by is
Statement-2: For most of the resistors, resistance increases with increase in temperature. The reciprocal of resistance is Corresponding to the resistance , which is order of colour coding on carbon resistors? In a meter bridge, the gaps are closed by resistance 2 and 3 ohms. The value of shunt to be added to 3 ohm resistor to shift the balancing point by is