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An Electric Bulb Marked As 50 W-200 V Is Connected Across A 100 V Supply. The Present Power Of The Bulb Is
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Two Electric Bulbs Marked 25 W-220 V And 100 W-200 V Are Connected In Series To A 440 V Supply. Which Of The Bulbs Will Fuse?
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For A Given Thermocouple, Neutral Temperature
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Temperature Of Cold Junction In A Thermocouple Is 10 Degree C And Neutral Temperature Is 270 Degree C, Then The Temperature Of Inversion Is
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If The Temperature Of Cold Junction Of Thermocouple Is Lowered, Then The Neutral Temperature
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A Fuse Wire With Radius 1 Mm Blows At 1.5 A. The Radius Of The Fuse Wire Of The Same Material To Blow At 3 A Will Be
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A Railway Compartment Is Lit Up By Thirteen Lamps Each Taking 2.1 A At 15 V. The Heat Generated Per Second In Each Lamp Will Be
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Which Factor Is Immaterial For The Wire Used In Electric Fuse?
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An Electric Bulb Is Rated 220 V - 100 W. The Power Consumed By It When Operated On 110 V Will Be
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Time Taken By A 836 W Heater To Heat One Litre Of Water From 10 Degree C To 40 Degree C Is
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A 30 V, 90 W Lamp Is To Be Operated On A 120 V DC Line. For Proper Glow, A Resistor Of .. Should Be Connected In Series With The Lamp.
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An AC Generator Of 220 V Have Internal Resistance, R =10 And External Resistance, R =100 . What Is The Power Developed In The External Circuit?
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A 10 Electric Heater Operates On A 110 V Line. The Rate At Which Heat Is Developed In Watts Is
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A Heater Coil Cut Into Two Equal Parts And One Part Is Connected With Heater. Now, Heat Generated In Heater Will Be
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A Heater Of 220 V Heats A Volume Of Water In 5 Min. The Same Heater When Connected To 110 V Heats The Same Volume Of Water In (min)
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An Electric Heater Rated 220 V And 550 W Is Connected To AC Mains. The Current Drawn By It Is
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A Piece Of Copper And Another Of Germanium Are Cooled From Room Temperature To 80 Degree K. The Resistance Of
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The Temperature Of Cold Junction Of Thermocouple Is 0 Degree C. If The Neutral Temperature Is 270 Degree C, Then The Inversion Temperature Is
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For The Circuit Shown In The Figure.
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