Hot questions

0 votes

0 answers

The currents `i_1 and i_2` through the resistors `R_1(=10 Omega) and R_2 (= 30 Omega)` in the circuit diagram with `E_1= 3 V, E_2 = 3 V and E_3 = 2 V` are

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

`10 A` current passes through a copper. The net charge after `5s` in the wire

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

A charged particle enters a magnetic field B with its initial velocity making an angle of 45° with B. The path of the particle will be

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

Magnetic lines of force due to a bar magnet do not intersect,

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

Magnetic moment of an electron in the first orbit

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

Match the Column I (planar loops of different shapes) with Column II (direction of induced current) and select the correct answer from the codes given

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

In an L-C-R circuit if impedance is `sqrt2` times of resistance, then find phase

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

`110 K_(rms)` is applied across a series circuit having resistance `11 Omega` and impedance `22Omega`. The power consumed

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

AC generator is used

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

The transformation ratio in the step-up transformer

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

A step-up transformer operates on a 230 V line and supplies a current of 2 A. The ratio of primary and secondary windings is 1 : 25. The primary current

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

Assertion: At resonance, power of L-C-R series circuit is zero. Reason: At resonance, `X_C >

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

Write the relationship between angle of incidence i, angle of prism A and angle of minimum deviations from a triangular

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

Draw a schematic arrangement of a reflecting telescope (Cassegrain) showing how rays coming from a distant object are received at the eyepiece. Write its two important advantages over a refracting

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

A rectangular block of glass ABCD has a refractive index 1.6. A pin is placed midway on the face AB (Fig). When observed from the face AD, the pin

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

Between the primary and secondary rainbows, there is a dark band known as Alexandar’s dark band. This is

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

An astronomical refractive telescope has an objective of focal length 20m and an eyepiece of focal length

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

The near vision of an average person is 25cm. To view an object with an angular magnification of 10, what should be the power of the

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

An unsymmetrical double convex thin lens forms the image of a point object on its axis. Will the position of the image change if the lens is

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

0 votes

0 answers

For a glass prism (μ = `sqrt3` ) the angle of minimum deviation is equal to the angle of the prism. Find the angle of the

asked Mar 20, 2022 in 12th Physics by varun (6.7k points)

Hot questions

Categories