NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 806 - 810 of 2320

Access detailed explanations (illustrated with images and videos) to 2320 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time! View Sample Explanation or View Features.

Rs. 600.00 or

How to register?

Question number: 806

» Electromagnetic Induction & Alternating Currents » Peak and RMS Value of AC

Edit
MCQ▾

Question

An alternating current is given by the equation . The r. m. s. current is given by

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 807

» Electromagnetic Induction & Alternating Currents » Induced EMF and Current

Edit
MCQ▾

Question

A current increases uniformly from zero to one ampere in 0.01 second, in a coil of inductance 10 mH. The induced e. m. f. will be –

Choices

Choice (4)Response

a.

1 V

b.

4V

c.

3 V

d.

2 V

Question number: 808

» Electromagnetic Induction & Alternating Currents » Reactance and Impedance

Edit
MCQ▾

Question

An alternating voltage is connected in series with a resistance R and an inductance L. If the potential drop across the resistance is 200 V and across the inductance is 150 V, then the applied voltage is

Choices

Choice (4)Response

a.

350 V

b.

300 V

c.

500 V

d.

250 V

Question number: 809

» Experimental Skills » Screw Gauge

Edit
MCQ▾

Question

A cricket bat is cut at the location of its center of mass as shown in the fig. Then

Cricket bat – Finding center of mass for this figure

Cricket Bat – Finding Center of Mass for this Figure

Choices

Choice (4)Response

a.

The handle piece will have larger mass

b.

The bottom piece will have larger mass

c.

Mass of handle piece is double the mass of bottom piece

d.

The two pieces will have the same mass

Question number: 810

» Experimental Skills » Screw Gauge

Edit
MCQ▾

Question

Two particles of masses m l and m 2 initially at rest start moving towards each other under their mutual force m attraction. The speed of the center of mass at any time u when they are at a distance r apart, is

Choices

Choice (4)Response

a.

zero

b.

c.

d.

Developed by: