Chapter 26 – EMI
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What is the self-inductance of a coil which produces 5 V when the current changes form 3 A to 2 A in one millisecond ?
12
Aug
What is the self-inductance of a coil which produces 5 V when the current changes form 3 A to 2 A in one millisecond ? What is the self-inductance of a coil which produces 5 V when the current changes form 3 A to 2 A in one millisecond ? August 12, 2020 Category: Chapter [...]
If N is the number of turns in a coil, the value of self-inductance varies as
12
Aug
If N is the number of turns in a coil, the value of self-inductance varies as If N is the number of turns in a coil the value of self-inductance varies as August 12, 2020 Category: Chapter 26 - EMI , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , [...]
A varying current in a coils charge from 10 A to zero in 0.5s .If the average emf induced in the coils is 220 V, the self- inductance of the coils is
12
Aug
A varying current in a coils charge from 10 A to zero in 0.5s .If the average emf induced in the coils is 220 V, the self- inductance of the coils is A varying current in a coils charge from 10 A to zero in 0.5s .If the average emf induced in the coils is [...]
Two coils have a mutual inductance 0.005H. The current changes in the first coil according to equation I=I0sinωt, where I0=10A and ω=100π radian/sec`. The maximum value of e.m.f. in the second coil is
12
Aug
Two coils have a mutual inductance 0.005H. The current changes in the first coil according to equation I=I0sinωt, where I0=10A and ω=100π radian/sec`. The maximum value of e.m.f. in the second coil is Two coils have a mutual inductance 0.005H. The current changes in the first coil according to equation I=I0sinωt where I0=10A and ω=100π [...]
In an inductor of self-inductance L=2 mH, current changes with time according to relation i=t2e−t. At what time emf is zero ?
12
Aug
In an inductor of self-inductance L=2 mH, current changes with time according to relation i=t2e−t. At what time emf is zero ? current changes with time according to relation i=t2e−t. At what time emf is zero ? In an inductor of self-inductance L=2 mH August 12, 2020 Category: Chapter 26 - EMI , NEET Last [...]
A magnetic field of 2×10−2T acts at right angles to a coil of area 100cm2 with 50 turns. The average emf induced in the coil is 0.1V, when it is removed from the field in time t. The value of t is
12
Aug
A magnetic field of 2×10−2T acts at right angles to a coil of area 100cm2 with 50 turns. The average emf induced in the coil is 0.1V, when it is removed from the field in time t. The value of t is A magnetic field of 2×10−2T acts at right angles to a coil of [...]
A 100 mH coil carries a current of 1 A. Energy stored in its magnetic field is
12
Aug
A 100 mH coil carries a current of 1 A. Energy stored in its magnetic field is A 100 mH coil carries a current of 1 A. Energy stored in its magnetic field is August 12, 2020 Category: Chapter 26 - EMI , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video [...]
A rectangular coil of 20 turns and area of cross-section 25 sq cm has a resistance of 100Ω. If a magnetic field which is perpendicular to the plane of coil changes at a rate of 1000 tesla per second the current in the coil
12
Aug
A rectangular coil of 20 turns and area of cross-section 25 sq cm has a resistance of 100Ω. If a magnetic field which is perpendicular to the plane of coil changes at a rate of 1000 tesla per second the current in the coil The total charge induced in a conducting loop when it is [...]
The total charge induced in a conducting loop when it is moved in magnetic field depends on
12
Aug
The total charge induced in a conducting loop when it is moved in magnetic field depends on The total charge induced in a conducting loop when it is moved in magnetic field depends on August 12, 2020 Category: Chapter 26 - EMI , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video [...]
A conductor of length 0.4 m is moving with a speed of 7 m/s perpendicular to a magnetic field of intensity 0.9Wb/m2. The induced emf across the conduct is
12
Aug
A conductor of length 0.4 m is moving with a speed of 7 m/s perpendicular to a magnetic field of intensity 0.9Wb/m2. The induced emf across the conduct is A conductor of length 0.4 m is moving with a speed of 7 m/s perpendicular to a magnetic field of intensity 0.9Wb/m2. The induced emf across [...]