Question

if r1 and r2 be the resistance of the filament of 60w and 200w, operating at 220V, then: options: 1. R1 = R2 2. R1 > R2 3. R1 < R2 4. R1 ≥ R2

Answer 1

Answer:

3. R1<R2

Explanation:

P=IV

Greater the voltage greater is the Power, so greater is the resistance. (V=IR)