If an A.C. mains supply is given to be 220 V, what would be the average e.m.f.
If an A.C. mains supply is given to be 220 V, what would be the average e.m.f. during a positive…
7 years ago
MH2002
Two closed pipes produce 10 beats per second when emitting their fundamental nodes.
Two closed pipes produce 10 beats per second when emitting their fundamental nodes. If their lengths are in the ratio…
7 years ago
If wavelength of a wave is λ=6000 Å, then wave number will be
If wavelength of a wave is λ=6000 Å, then wave number will be Options (a) 166x10³ m⁻¹ (b) 16.6x10⁻¹ m⁻¹…
7 years ago
A condenser has a capacity 2 μF and is charged to a voltage of 50 V. The energy
A condenser has a capacity 2 μF and is charged to a voltage of 50 V. The energy stored is…
7 years ago
The current in the coil of inductance 5H decreases at the rate of 2 A/s
The current in the coil of inductance 5H decreases at the rate of 2 A/s. The induced e.m.f is Options…
7 years ago
Reactance of a capacitor of capacitance C µF for A.C freqency (400 / π) Hz is 25 ohm
Reactance of a capacitor of capacitance C µF for A.C freqency (400 / π) Hz is 25 ohm. The value…
7 years ago