MHT CET · Physics · Electromagnetic Induction
If 'N' is the number of turns in a circular coil, the value of its self inductance varies
as
- A \(\mathrm{N}^{3}\)
- B \(\mathrm{N}^{2}\)
- C \(\mathrm{N}^{0}\)
- D \(\mathrm{N}^{1}\)
Answer & Solution
Correct Answer
(B) \(\mathrm{N}^{2}\)
Step-by-step Solution
Detailed explanation
Self inductance of a solenoid \(=\frac{\mu_{0} \mathrm{~N}^{2} \mathrm{~A}}{\ell}\)
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Physics
- A force acting on a body of mass 5 Kg is \((4 \hat{\mathrm{i}}-2 \hat{\mathrm{j}}+3 \hat{\mathrm{k}}) \mathrm{N}\). If the body is initially at rest then the magnitude of its velocity at the end of 10 second in \(\mathrm{m} / \mathrm{s}\) will beMHT CET 2025 Medium
- If a capacitor of capacity \(900 \mu \mathrm{F}\) is charged to \(100 \mathrm{~V}\) and its total energy is transferred to a capacitor of capacity \(100 \mu \mathrm{F}\), then its potential will beMHT CET 2023 Medium
- The graph given below represents I - V characteristics of zener diode. The part of the characteristics curve that is most relevant for its operation as a voltage regulator is
MHT CET 2025 Easy - On dry road, the maximum speed of a vehicle along a circular path is ' \(\mathrm{V}\) '. When the road becomes wet, maximum speed becomes \(\frac{V}{2}\). If coefficient of friction of dry road is ' \(\mu\) ' then that of wet road isMHT CET 2023 Medium
- A simple pendulum of length \(l_1\) has time period \(T_1\). Another simple pendulum of length \(l_2\left(l_1 \gt l_2\right)\) has time period \(T_2\). Then the time period of the pendulum of length \(\left(l_1-l_2\right)\) will beMHT CET 2024 Medium
- An ink mark is made on a piece of paper. A glass slab of thickness 't' is placed on it. The ink mark appears to be raised up through a distance ' \(x\) ' when viewed at nearly normal incidence. If the refractive index of material of glass slab is ' \(\mu\) ' then thickness of glass slab ' \(t\) ' is given byMHT CET 2024 Easy
More PYQs from MHT CET
- The de-Broglie wavelength of a neutron at \(27^{\circ} \mathrm{C}\) is ' \(\lambda_0\) '. What will be its wavelength at \(927^{\circ} \mathrm{C}\) ?MHT CET 2025 Medium
- Derivative of
\(\mathrm{y}=\sqrt{\sin x+\sqrt{\sin x+\sqrt{\sin x+\ldots \ldots \ldots}} \infty}\) isMHT CET 2025 Medium - In Lyman series, series limit of wavelength is \(\lambda_1\). The wavelength of first line of Lyman series is \(\lambda_2\) and in Balmer series, the series limit of wavelength is \(\lambda_3\). Then the relation between \(\lambda_1\), \(\lambda_2\) and \(\lambda_3\) isMHT CET 2023 Easy
- If \(\mathrm{x}\) is a random variable with p.m.f. as follows.
\(P(X=x)=\frac{5}{16}, x=0,1 =\frac{k x}{48}, x=2,\) \(\text { then } E(x)=\frac{1}{4}, x=3\)MHT CET 2021 Medium - When source of sound moves towards a stationary observer, the apparent frequency heard by himMHT CET 2025 Easy
- The rate constant is doubled when temperature increases from \(27^{\circ} \mathrm{C}\) to \(37^{\circ} \mathrm{C}\). What is activation energy in kJ?MHT CET 2025 Medium