Current Electricity-Electrical Energy and Power (BITSAT Physics): Questions 1 - 5 of 7
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Question number: 1
» Current Electricity » Electrical Energy and Power
Question
If current flowing in a conductor changes by , then power will change by –
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Question number: 2
» Current Electricity » Electrical Energy and Power
Question
electric heater operates on a line, then the rate at which it develops heat in watts will be –
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| a. | 670 |
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| b. | 810 |
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| c. | 1210 |
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| d. | 1310 |
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Question number: 3
» Current Electricity » Electrical Energy and Power
Question
Two identical batteries, each of emf and internal resistance by passing a current through it. The maximum power that can be developed across using these batteries is –
A Circuit Diagram Three Resistors and Two Batteries
In circuit diagram three resistors and two batteries are shown.
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Question number: 4
» Current Electricity » Electrical Energy and Power
Question
Kinetic energy of an electron accelerated in a potential difference of is
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Question number: 5
» Current Electricity » Electrical Energy and Power
Question
A heater coil connected to a supply of a dissipating some power . The coil is cut into half and the two halves are connected in parallel. The heater now dissipates a power the ration of power is –
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