Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is increasing towards centre. zero. decreasing towards centre. none of above. increasing towards centre. zero. decreasing towards centre. none of above. ANSWER DOWNLOAD EXAMIANS APP
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 30 joules. 24 joules. 12 joules. 15 joules. 30 joules. 24 joules. 12 joules. 15 joules. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Electric fields. Commutator. Copper conductors. Electric current. Electric fields. Commutator. Copper conductors. Electric current. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m? 1.39 m. 1.59 m. 1.29 m. 1.19 m. 1.39 m. 1.59 m. 1.29 m. 1.19 m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A medium is said to be isotropic when ∈ is zero. ∈ = μ. ∈ is a scalar constant. ∈ = μσ. ∈ is zero. ∈ = μ. ∈ is a scalar constant. ∈ = μσ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For an inductor, current is proportional to voltage across the inductor. both (A) and (B). magnetic field. none of them. voltage across the inductor. both (A) and (B). magnetic field. none of them. ANSWER DOWNLOAD EXAMIANS APP