Electromagnetic Field Theory The core of coil length is 200 mm. The inductance of coil is 6 mH. If the core length is doubled, all other quantities, remaining the same, the inductance will be 24 mH. 12 mH. 3 mH. 48 mH. 24 mH. 12 mH. 3 mH. 48 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The property of the coil by which a counter emf is induced in it when the current through the coil changes is known as capacitance. mutual inductance. self inductance. series aiding inductance. capacitance. mutual inductance. self inductance. series aiding inductance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then turns ratio of the transformer is also two. transformer is an ideal transformer. it is a perfect transformer. none of these. turns ratio of the transformer is also two. transformer is an ideal transformer. it is a perfect transformer. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to A dipole. A quardra pole. A monopole. Both of A and B. A dipole. A quardra pole. A monopole. Both of A and B. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If the resistance of a conductor does not vary in accordance with the Ohms law it is known as bad conductor. non - conductor. non - linear conductor. reverse conductor. bad conductor. non - conductor. non - linear conductor. reverse conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω. ω / π. ω/2π. ω/4π. ω. ω / π. ω/2π. ω/4π. ANSWER DOWNLOAD EXAMIANS APP
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