Question: A horizontal metal disc rotates about the vertical axis in a uniform magnetic field pointing up as shown in figure. A as o c)

A horizontal metal disc rotates about the vertical axis in a uniform

A horizontal metal disc rotates about the vertical axis in a uniform magnetic field pointing up as shown in figure. A as o c) DC from BhA B A circuit is made by connecting one end A of a resistas to the cenbe of the disc 4 the other end B to its edge through a sliding contact. The Gircuit that flows through the resister is: current b) DC from A JOB d> Ac

Step by Step Solution

★★★★★

3.44 Rating (151 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

The detailed ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Physics Questions!

A smooth horizontal disc rotates about the vertical axis O (Fig. 4.15) with a constant angular velocity (o. A thin uniform rod AB of length l performs small oscillations about the vertical axis A...

A H-shaped conductor is located in a uniform magnetic field perpendicular to the plane of the conductor and varying with time at the rate B = 0.10 T/s. A conducting connector starts moving with an...

A heat sink for an electronic circuit is made by machining a pocket into a block of aluminum and then covering it with a flat plate to provide a passage for cooling water as shown in Fig. 9.22....

In a long, straight, current- carrying wire, the electrons are moving to the west. If the wire is in a uniform magnetic field pointing upward, what is the direction of the force on the wire? Answer...

Five loops are formed of copper wire of the same gauge(cross-sectional area). Loops 1-4 are identical; Loop 5 has thesame height as others but is longer. At the instant shown, all theloops are moving...

Two horizontal discs rotate freely about a vertical axis passing through their centres. The moments of inertia of the discs relative to this axis are equal to I1 and I2, and the angular velocities to...

The horizontal rod OA rotates about a vertical shaft according to the relation = 10t, where and t are expressed in rad/s and seconds, respectively. A 0.5-lb collar B is held by a cord with a...

Figure 30-78 shows a wire that has been bent into a circular arc of radius r = 24.0 cm, centered at O.A straight wire OP can be rotated about O and makes sliding contact with the arc at P. Another...

Magnetic induction is the principle behind the operation of me chanical speedometers used in automobiles and bicycles. In the drawing, a simplified version of the speedometer, a metal disk is free to...

A circular coil with a diameter of 22.0 cm and 155 turns rotates about a vertical axis with an angular speed of 1250 rpm. The only magnetic field in this system is that of the Earth. At the location...

ABC Company has decided to merge with DEF Ltd. in an effort to expand and synergize its business operations for the future. OTHER THAN the expansion and creation of synergies describe three reasons...

If the standard quantity (SQ), actual quantity (AQ), standard price(SP), and actual price (AP) are 350 units, 400 units, $12, and $13 respectively, then the total budget variance (or, that is, the...

A company has decided to downsize its operation. What is its first lask? A . To examine ways to fire employees for low performance B . To examine which departments to contract C . To examine ways to...

Asset A offers an expected rate of return of 10% with a standard deviation of 25%. Asset B offers an expected rate of return of 5% with a standard deviation of 30%. Assume that the risk-free interest...

The uniform thin rod in the figure below has mass M = 4.00 kg and length L = 1.25 m and is free to rotate on a frictionless pin. At the instant the rod is released from rest in the horizontal...

The L shape slender bar of mass m = 5 kg and b = 2m can move easily in the vertical plane with no friction on the vertical and C b/2 horizontal surfaces as shown. If the bar is released from rest in...

Construct a 3-regular graph with 10 vertices. Is it possible to have a 3-regular graph with 15 vertices?

Morgan lent $2,390 at a simple interest rate of 3.50% p.a. to her friend on June 13, 2013. Calculate the amount of interest Morgan's friend had to pay on February 23, 2014. Round to the nearest cent

ratio de liquides 0.978 pero la empresa invirti en maquinaria

Question 3 3. Rotations. Consider a large uniform metal disc in a factory with radius 2m and mass 100kg (moment of inertia Idisc = {me?). The disc is oriented horizontally (level with the floor) and...

PRACTICE IT A wheel rotates with a constant angular acceleration of 3.20 rad/s". Assume the angular speed of the wheel is 1.75 rad/s at 1; = 0. (a) Through what angle does the wheel rotate between ?...

A horizontal disc rotates with a constant angular velocity = 6.0 rad/s about a vertical axis passing through its centre. A small body of mass m = 0.50 kg moves along a diameter of the disc with a...

An astronaut (mass m}, somewhere out in space, far from gravitating objects, is wearing magnetic boots and is standing at the center of a thin metal disc of mass M and radius R. The disc rotates...

A smooth horizontal disc rotates with a constant angular velocity co about a stationary vertical axis passing through its centre, the point O. At a moment t = 0 a disc is set in motion from that...

A metal disc of radius a = 25 cm rotates with a constant angular velocity w = 130 rad/s about its axis. Find the potential difference between the centre and the rim of the disc if (a) The external...