Questions
A heater coil is cut into two equal parts and only one part is now used in the heater. The heat generated will now be
detailed solution
Correct option is C
H=V2tR ⇒ HHalfHFull = RFullRHalf = RR/2 =2⇒ HHalf = 2 × HFullTalk to our academic expert!
Similar Questions
A resistor R is connected across a battery of emf 12 V. It observed that terminal potential differenceis 9 V and the power delivered to resistor is 18 W. Internal resistance of the battery ‘r’ and the resistance R are respectively
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