Current Electricity and Electrical InstrumentHard

Question

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

Options

A.doubled
B.four times
C.one fourth
D.halved

Solution

H =
H′ =     Given R′ = R/2

Create a free account to view solution

View Solution Free
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions

More Current Electricity and Electrical Instrument Questions