Electromagnetic Field Theory MCQ Questions & Answers | ECE

A. Gravitational settling

B. Centrifugal impaction

C. Electrostatic precipitation

D. Burning the particulate

A. Electrical component of a wave with respect to ground

B. Magnetic component of EM wave with respect to ground

C. Both electrical and magnetic components with respect to ground

D. None of the above

A. $${\sin ^{ - 1}}\sqrt {\frac{{{\varepsilon _2}}}{{{\varepsilon _1}}}} $$

B. $${\cos ^{ - 1}}\sqrt {\frac{{{\varepsilon _2}}}{{{\varepsilon _1}}}} $$

C. $${\tan ^{ - 1}}\sqrt {\frac{{{\varepsilon _2}}}{{{\varepsilon _1}}}} $$

D. $${\sin ^{ - 1}}\sqrt {\frac{{{\varepsilon _1}}}{{{\varepsilon _2}}}} $$

A. 0.05 Joules

B. 50 Joules

C. 500 Joules

D. -50 Joules

A. 75 Ω

B. 94 Ω

C. 188 Ω

D. 377 Ω

A. $$\frac{{\overrightarrow E }}{{\overrightarrow H }} = l$$

B. $$\frac{{\overrightarrow E }}{{\overrightarrow H }} = \frac{\varepsilon }{\mu }$$

C. $$\frac{{\overrightarrow E }}{{\overrightarrow H }} = \sqrt {\frac{\mu }{\varepsilon }} $$

D. $$\frac{{\overrightarrow E }}{{\overrightarrow H }} = \infty $$

A. $$ - \frac{{100}}{\rho }\sin \left( {{{10}^9}t - 6z} \right){u_p}{\text{A/}}{{\text{m}}^2}$$

B. $$\frac{{116}}{\rho }\sin \left( {{{10}^9}t - 6z} \right){u_p}{\text{A/}}{{\text{m}}^2}$$

C. $$ - \frac{{0.9}}{\rho }\sin \left( {{{10}^9}t - 6z} \right){u_p}{\text{A/}}{{\text{m}}^2}$$

D. $$ - \frac{{216}}{\rho }\cos \left( {{{10}^9}t - 6z} \right){u_p}{\text{A/}}{{\text{m}}^2}$$

A. $$ - 2 \times {10^{ - 12}}\left( {2{{\hat a}_x} - 2{{\hat a}_y} + {{\hat a}_z}} \right)$$

B. $$2 \times {10^{ - 12}}\pi \left( {{{\hat a}_y} + {{\hat a}_x}} \right)$$

C. $${10^{ - 12}}\pi $$

D. $$ - {10^{ - 12}}\pi $$

A. Far end

B. Source end

C. Midway between source and load

D. None of these

A. 3 V

B. 4 V

C. 6 V

D. 9 V