Electromagnetic Field Theory The energy stored in the magnetic field in a solenoid 10 cm long and 4 cm diameter wound with 2000 turns of wire carrying a current at 20 amp, is 12 joules. 24 joules. 30 joules. 15 joules. 12 joules. 24 joules. 30 joules. 15 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The tubes of force within the magnetic material are known as lines of force. none of them. tubes of indication. magnetic flux. lines of force. none of them. tubes of indication. magnetic flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A charge which when placed in vacuum from an equal and similar charge repels with a force of 9 × 103 N, is known as coulomb. micro - coulomb. pico - coulomb. milli - coulomb. coulomb. micro - coulomb. pico - coulomb. milli - coulomb. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An open wire transmission line having a characteristic impedance of 600 ohms is terminated by a resistive load of 900 O. The standing wave ratio will be 4.5 2.5 3.5 1.5 4.5 2.5 3.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of a parabola antenna is A figure of directional Omnidirectional Highly directional None of these A figure of directional Omnidirectional Highly directional None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in Tv broadcast All of these Point to point communication Radio astronomy Tv broadcast All of these Point to point communication Radio astronomy ANSWER DOWNLOAD EXAMIANS APP
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