Q.
What is the r.m.s. value of an alternating current which when passed through a resistor produces heat which is thrice of that produced by a direct current of 2 amperes in the same resistor
see full answer
High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET
🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya
a
6 amp
b
2 amp
c
3.46 amp
d
0.66 amp
answer is C.
(Unlock A.I Detailed Solution for FREE)
Detailed Solution
Heat produced by ac = 3 x Heat produced by dc
Watch 3-min video & get full concept clarity