JEE Main 2023 (Online) 1st February Morning Shift | Alternating Current and Electromagnetic Induction Question 34 | Physics

JEE Main 2023 (Online) 1st February Morning Shift

MCQ (Single Correct Answer)

-1

Match List - I with List - II :

	List I		List II
A.	AC generator	I.	Presence of both L and C
B.	Transformer	II.	Electromagnetic Induction
C.	Resonance phenomenon to occur	III.	Quality factor
D.	Sharpness of resonance	IV.	Mutual Induction

Choose the correct answer from the options given below :

A-II, B-I, C-III, D-IV

A-IV, B-III, C-I, D-II

A-II, B-IV, C-I, D-III

A-IV, B-II, C-I, D-III

JEE Main 2023 (Online) 31st January Evening Shift

MCQ (Single Correct Answer)

-1

Match List I with List II

LIST I		LIST II
A.	Microwaves	I.	Physiotherapy
B.	UV rays	II.	Treatment of cancer
C.	Infra-red light	III.	Lasik eye surgery
D.	X-ray	IV.	Aircraft navigation

Choose the correct answer from the options given below:

A - IV, B - III, C - I, D - II

A - II, B - IV, C - III, D - I

A - III, B - II, C - I, D - IV

A - IV, B - I, C - II, D - III

JEE Main 2023 (Online) 31st January Evening Shift

MCQ (Single Correct Answer)

-1

An alternating voltage source $\mathrm{V}=260 \sin (628 \mathrm{t}$ ) is connected across a pure inductor of $5 \mathrm{mH}$ Inductive reactance in the circuit is :

$6.28 \Omega$

$0.318 \Omega$

$0.5 \Omega$

$3.14 \Omega$

JEE Main 2023 (Online) 31st January Morning Shift

MCQ (Single Correct Answer)

-1

If $$\mathrm{R}, \mathrm{X}_{\mathrm{L}}$$, and $$\mathrm{X}_{\mathrm{C}}$$ represent resistance, inductive reactance and capacitive reactance. Then which of the following is dimensionless :

$$\frac{R}{X_{L} X_{C}}$$

$$R X_{L} X_{C}$$

$$\frac{R}{\sqrt{X_{L} X_{C}}}$$

$$R \frac{X_{L}}{X_{C}}$$

PREVIOUS NEXT