Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to RBT. 2RBT. R2B / T. R2BT. RBT. 2RBT. R2B / T. R2BT. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The emf induced in a conductor rotating in bipolar field is none of these. AC. DC and AC both. DC. none of these. AC. DC and AC both. DC. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . Refraction Reflection Transmission None of these Refraction Reflection Transmission None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called static induced emf. both A and B. dynamically induced emf. None of these static induced emf. both A and B. dynamically induced emf. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is static and the field is varying then emf will be induced. This principle is called none of these static induced emf. virtually induced emf. dynamically induced emf. none of these static induced emf. virtually induced emf. dynamically induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal surface with 1 meter radius and surface charge density of 20 coulombs / m2 is enclosed in a 10 m side cube. The total outward electric displacement normal to the surface of the cube is 10π coulombs. none of these. 40π coulombs. 80π coulombs. 10π coulombs. none of these. 40π coulombs. 80π coulombs. ANSWER DOWNLOAD EXAMIANS APP
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