MCQ
Current in the circuit is wattless, if
- AInductance in the circuit is zero
- ✓Resistance in the circuit is zero
- CCurrent is alternating
- DResistance and inductance both are zero
✓
Answer
Correct option: B.
Resistance in the circuit is zero
Resistance in the circuit is zero
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
An inductor of inductance $L$ and resistor of resistance $R$ are joined in series and connected by a source of frequency $\omega$. Power dissipated in the circuit is
→Orbit of a planet around a star is
An object start sliding on a frictionless inclined plane and from same height another object start falling freely
A galvanometer has a coil of resistance $100\, ohm$ and gives a full scale deflection for $30\, mA$ current. If it is to work as a voltmeter of $30\, volt$ range, the resistance required to be added will be.....$Ω$
→A reflecting telescope utilizes
In the circuit given below, the value of the current is
According to Hook's law of elasticity, if stress is increased, the ratio of stress to strain
The bob of a simple pendulum is replaced by a magnet. The oscillations are set along the length of the magnet. A copper coil is added so that one pole of the magnet passes in and out of the coil. The coil is short-circuited. Then which one of the following happens
Energy of an electron in an excited hydrogen atom is $-3.4 eV$. Its angular momentum will be: $h=6.626 \times 10^{-34} J -s$
→Two Nicols are oriented with their principal planes making an angle of $60^{\circ}$. The percentage of incident unpolarized light which passes through the system is
→