224 of 46300 Questions
View AllJEE Discussions Current Electricity & Heating Effect Recent Questions
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0 votes1 answer284 views4 Years Ago
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)
JEE DiscussionsModified 4 Year Ago
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0 votes1 answer327 views4 Years Ago
An Electric Heater Rated 220 V And 550 W Is Connected To AC Mains. The Current Drawn By It Is
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0 votes1 answer288 views4 Years Ago
A Piece Of Copper And Another Of Germanium Are Cooled From Room Temperature To 80 Degree K. The Resistance Of
JEE DiscussionsModified 4 Year Ago
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0 votes1 answer286 views4 Years Ago
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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0 votes1 answer367 views
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0 votes1 answer338 views
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0 votes1 answer127 views
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0 votes0 answer313 views
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0 votes1 answer259 views
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0 votes1 answer280 views
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0 votes0 answer144 views
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0 votes2 answer91 views4 Years Ago
An Aluminium (resistivity P = 2.2 * 10^-8 M) Wire Of A Diameter 1.4 Mm Is Used To Make A 4 Resistor. The Length Of The Wire Is
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0 votes1 answer144 views4 Years Ago
In Which Of The Following Substances Does Resistance Decrease With Increase In Temperature?
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0 votes1 answer162 views4 Years Ago
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0 votes1 answer260 views4 Years Ago
The Resistance Of A Wire Is 5 At 50 Degree C And 6 At 100 Degree C. The Resistance Of The Wire At 0 Degree C Will Be
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0 votes1 answer269 views4 Years Ago
The Electron Dirft Speed Is Small And The Charge Of The Electron Is Also Small But Still, We Obtain Large Current In A Conductor. This Is Due To
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0 votes1 answer395 views
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0 votes1 answer230 views4 Years Ago
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0 votes1 answer142 views4 Years Ago
The Resistance Of A Straight Conductor Does Not Depend On Its
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0 votes1 answer303 views4 Years Ago
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0 votes1 answer130 views4 Years Ago
With The Rise Of Temperature The Resistivity Of A Semiconductor
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0 votes1 answer106 viewsDilip 4 Years Ago
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0 votes0 answer106 views4 Years Ago
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0 votes1 answer243 views4 Years Ago
In The Circuit Shown In Fig The Heat Produced In The 5 Ohm Resistor Due To The Current Flowing Through It Is 10 Calories Per Second.
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0 votes1 answer120 views4 Years Ago
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0 votes1 answer275 views4 Years Ago
Resistance Of A Wire At 20 Degree C Is 20 And At 500 Degree C Is 60 . At What Temperature Its Resistance Is 25 ?
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0 votes1 answer100 views4 Years Ago
The Amount Of Charge Q Passed In Time T Through A Cross-section Of A Wire Is Q = 5t^2 + 3t + 1. The Value Of Current At Time T = 5 S Is
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0 votes1 answer252 views4 Years Ago
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0 votes1 answer343 views4 Years Ago
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0 votes1 answer239 views4 Years Ago
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