Chapter 26 – EMI
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A conducting circular loop is placed in a uniform magnetic field of 0.04 T with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at 2 mm/s^-1. The induced emf in the loop when the radius is 2 cm is
19
Aug
A conducting circular loop is placed in a uniform magnetic field of 0.04 T with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at 2 mm/s^-1. The induced emf in the loop when the radius is 2 cm is an emf V volt is induced in the loop. The [...]
In a region of uniform magnetic induction B=102 tesla, a circular coil of radius 30cm and resistance π2 ohm is rotated about an axis which is perpendicular to the directon of B and which form a diameter of the coil. If the coil rotates at 200r± the amplitude of the alternating current induced in the coil is
12
Aug
In a region of uniform magnetic induction B=102 tesla, a circular coil of radius 30cm and resistance π2 ohm is rotated about an axis which is perpendicular to the directon of B and which form a diameter of the coil. If the coil rotates at 200r± the amplitude of the alternating current induced in the [...]
A wire of resistance R is connected in series with an inductor of reactant ω L. Then quality factor of RL circuit is
12
Aug
A wire of resistance R is connected in series with an inductor of reactant ω L. Then quality factor of RL circuit is A wire of resistance R is connected in series with an inductor of reactant ω L. Then quality factor of RL circuit is August 12, 2020 Category: Chapter 26 - EMI , [...]
In the circuit of figure, the bulb will become suddenly bright, if
12
Aug
In the circuit of figure, the bulb will become suddenly bright, if if In the circuit of figure the bulb will become suddenly bright August 12, 2020 Category: Chapter 26 - EMI , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
Eddy current are produced when
12
Aug
Eddy current are produced when Eddy current are produced when August 12, 2020 Category: Chapter 26 - EMI , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
Energy in a current carrying coil is stored in the form of
12
Aug
Energy in a current carrying coil is stored in the form of Energy in a current carrying coil is stored in the form of August 12, 2020 Category: Chapter 26 - EMI , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
An inductor may store energy in
12
Aug
An inductor may store energy in An inductor may store energy in August 12, 2020 Category: Chapter 26 - EMI , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
The current in self-inductance L = 40 mH is to be increased uniformly from 1 A to 11 A in 4 millisecond. The emf induced in induction during the process is
12
Aug
The current in self-inductance L = 40 mH is to be increased uniformly from 1 A to 11 A in 4 millisecond. The emf induced in induction during the process is The current in self-inductance L = 40 mH is to be increased uniformly from 1 A to 11 A in 4 millisecond. The emf [...]
When air is replaced by a dielectric medium of constant K, the maximum force of attraction between two charges, separated by a distance
12
Aug
When air is replaced by a dielectric medium of constant K, the maximum force of attraction between two charges, separated by a distance separated by a distance the maximum force of attraction between two charges When air is replaced by a dielectric medium of constant K August 12, 2020 Category: Chapter 26 - EMI , [...]
If the number of turns per unit length of coil of solenoid is doubled, the self-inductance of the solenoid will
12
Aug
If the number of turns per unit length of coil of solenoid is doubled, the self-inductance of the solenoid will If the number of turns per unit length of coil of solenoid is doubled the self-inductance of the solenoid will August 12, 2020 Category: Chapter 26 - EMI , NEET Last 32 Years Solved 1988 [...]