MCQ
An inductive reactance of an inductor is __________ .
- A$\frac{1}{\omega L}$
- B$\frac{1}{\omega C}$
- C$\omega C$
- ✓$\omega L$
✓
Answer
Correct option: D.
$\omega L$
D
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
The hyperfine lines in the spectrum is related to:
After five half lives what will be the fraction of initial substance
|
(a) |
(b) |
(c) |
(d) |
In Young's double-slit experiments, a monochromatic light source is used. The shape of interference fringes produced on screen will be :
Sodium and copper have work functions 2.3 eV and 4.5 eV respectively. Then the ratio of the wavelengths is nearest to?
The graph of ln$\Big(\frac{\text{R}}{\text{R}_{\text{0}}}\Big)$ versus In A (R = radius of a nucleus and A - its mass number) is:
→- A straight line.
- A parabola.
- An ellipse.
- None of them.
The color coding of earth, live and neutral wire respectively is:
Field lines start from____ charges and ends at _____ charges.
A semiconductor is a material with a small but non-zero band gap that behaves as an insulator at absolute zero but allows thermal excitation of electrons into its ____________ at temperatures that are below its melting point.
As shown in the figure, a magnet is moved with a fast speed towards a coil at rest. Due to this induced electromotive force, induced current and induced charge in the coil is E, I and Q respectively. If the speed of the magnet is doubled, the incorrect statement is
|
(a) E increases |
(b) I increases |
(c) Q remains same |
(d) Q increases |
A wire of length 5 m and radius 1 mm has a resistance of 1 ohm. What length of the wire of the same material at the same temperature and of radius 2 mm will also have a resistance of 1 ohm
|
(a) 1.25 m |
(b) 2.5 m |
(c) 10 m |
(d) 20 m |