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If two identical heaters each rated as (1000 {~W}-220 {~V}) ar
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If two identical heaters each rated as are connected in parallel to , then the total power consumed is

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Updated on: Apr 4, 2022

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Master Resource Book in JEE Main Physics (Arihant)

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When a single heater (resistance ) is connected to , then it will consume a power . If two such identical heaters are connected in parallel (total resistance ) to same source, then it will consume power .
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Practice questions from Master Resource Book in JEE Main Physics (Arihant)

Question 1
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Assertion In the following circuit the net resistance between points and is . Reason All the resistances are in parallel to each other.
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  2. If both Assertion and Reason are true but Reason is not correct explanation of the Assertion
  3. If Assertion is true but Reason is false
  4. If Assertion is false but the Reason is true
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Master Resource Book in JEE Main Physics (Arihant)

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A lamp having tungsten filament consumes . Assume the temperature coefficient of resistance for tungsten is and temperature of the surrounding is . When the lamp burns, the temperature of its filament becomes , then the power consumed at the moment switch is on, is
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Master Resource Book in JEE Main Physics (Arihant)

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Master Resource Book in JEE Main Physics (Arihant)

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Question 4
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Fig. (a) shows a meter bridge (which is nothing but a paractical Wheatstone bridge) consisting of two resistors and together in parallel with one metre long constant wire of uniform cross-section. With the help of a movable contact , one can change the ratio of the resistances of the two segments of the wire, until a sensitive galvanometer connected across and shows to deflection. The null point is found to be at a distance of from the end . The resistance is shunted by a resistance of [Fig. (b)] and the null point is found to shift by a distance of . Determine the resistances of and .
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Master Resource Book in JEE Main Physics (Arihant)

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Question Text
If two identical heaters each rated as are connected in parallel to , then the total power consumed is
Updated OnApr 4, 2022
TopicCurrent Electricity
SubjectPhysics
ClassClass 12
Answer TypeText solution:1 Video solution: 1
Upvotes269
Avg. Video Duration4 min