Home
Class 12
PHYSICS
A heart pacing device consists of a coil...

A heart pacing device consists of a coil of `50` turns `&` radius `1 mm` just inside the body with a coil of `1000` turns `&` radius `2 cm` placed concentrically and coaxially just outside the body.Calculate the average induced `EMF` in the internal coil, if a current of `1A` in the external coil collapses in `10` milliseconds.

Text Solution

Verified by Experts

The correct Answer is:
`493muV`
Promotional Banner

Similar Questions

Explore conceptually related problems

A circular coil of 25 turns and radius 12 cm is placed in a uniform magnetic field of 0.5 T normal to the plane of the coil. If the current in the coil is 6 A then total torque acting on the coil is

A circular coil of 25 turns and radius of 12 cm is placed in a uniform magnetic field of 0.5 T normal to the plane of coil. If the current in the coil is 5 A, then total torque experienced by the coil is

A circular coil of 100 turns has a radius of 10 cm and carries a current of 5 A. Determine the magnetic field at the centre of the coil and at a point on the axis of the coil at a distance of 5 cm from its centre.

Magnetic field intensity at the centre of coil of 50 turns, radius 0.5m and carrying a current of 2A is

A solenoid is of length 50 cm and has a radius of 2cm. It has 500 turns. Around its central section a coil of 50 turns is wound. Calculate the mutual inductance of the system.

An a.c generator consists of a coil of 1000 turns each of area 100 cm^(2) and rotating at an angular speed of 100 rpm in a uniform magnetic field fo 3.6 xx 10^(2) T. Find the peak and r.m.s value of e.m.f induced in the coil.

A circular coil of N turns and radius R carries a current I. It is unwound and rewound to make another coil of radius R//2. Current I remaining the same. Calculate the ratio of the magnetic moments of the new coil and the original coil.

A circular coil of wire consisting of 100 turns, each of radius 8.0cm carries a current of 0.40A . What is the magnitude of the magnetic field vecB at the center of the coil?

A tightly wound 100 turn coil of radius 10cm is carrying a current of 1A . What is the magnitude of the magnetic field at the centre of the coil?

Over a solenoid of 50cm length and 2cm radius and having 500turns is would another wire of 50 turns near the centre. Calculate (i) mutual inductance of the two coils (ii) Induced emf in the second coil when the current in the primary changes from 0 to 5A in 0.02 sec.