Electromagnetic Field Theory If the resistance of a conductor does not vary in accordance with the Ohms law it is known as non - conductor. bad conductor. non - linear conductor. reverse conductor. non - conductor. bad conductor. non - linear conductor. reverse conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is 5 N. 2 N. 3.75 N. 2.5 N. 5 N. 2 N. 3.75 N. 2.5 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Whenever the magnetic flux changes with respect to an electric conductor or a coil, an EMF is induced in the conductor is Faraday’s second law fourth law third law first law second law fourth law third law first law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will increase. remain the same. decrease. initially increase and then decrease. increase. remain the same. decrease. initially increase and then decrease. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is Narrow bandwidth Poor directivity High standing wave ratio Low directional coupling Narrow bandwidth Poor directivity High standing wave ratio Low directional coupling ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is inversely proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the square of the distance between them. directly proportional to the distance between them. ANSWER DOWNLOAD EXAMIANS APP
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