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. initially increase and then decrease. decrease. remain the same. increase. initially increase and then decrease. decrease. remain the same. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If E is the electric field intensity, then what is the value of divergence of (curl of E)? E. | E |. Zero. Null vector. E. | E |. Zero. Null vector. 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 __________ . Reflection None of these Transmission Refraction Reflection None of these Transmission Refraction ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a transformer. thermocouple. choke. generator. transformer. thermocouple. choke. generator. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be zero. parallel to axis. at angle of 45° with the axis. perpendicular to the axis. zero. parallel to axis. at angle of 45° with the axis. perpendicular to the axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to aρv/4 C/m2. aρv/3 C/m2. ρv/3 C/m2. aρv C/m2. aρv/4 C/m2. aρv/3 C/m2. ρv/3 C/m2. aρv C/m2. ANSWER DOWNLOAD EXAMIANS APP
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