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Standard VII
Physics
Heating Effect of Electric Current
41. What is t...
Question
41. What is the aapproximate peak value of an AC producing 4 times tge heat produced per sec by a steady current of 2A in a resistor
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Q.
What is the approximate peak value of an alternating current producing four times the heat produced per second by a steady current of
2
A
in a resistor?
Q.
A steady current of magnitude
I
and an
A
C
current of peak value
I
are allowed to pass through identical resistor for the same time. The ratio of heat produced in the two resistors will be :
Q.
The runs value of
A
C
which when passed through a resistor produced heat, which is twice that produced by a steady current of
1.414
A
in the same resistor is:
Q.
The rms value of an alternating current, which when passed through a resistor produces heat three times of
that produced by a direct current of 2A in the same resistor, is
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