Electronics MCQs Question and Answer in Engineering Physics

A. subtractor

B. buffer amplifier

C. adder

D. divider

A.

B.

C.

D.

A. The maximum Zener current I_Z(max), when R_L = 10 k$$\Omega $$, is 15 mA

B. The maximum Zener current I_Z(max), when R_L = 10 k$$\Omega $$, is 5 mA

C. With V_in = 20 V, I_L = I_Z, when R_L = 2 k$$\Omega $$

D. The power dissipated across the Zener, when R_L = 10 k$$\Omega $$ and V_in = 20 V is 100 mW

A. the pinch-off voltage

B. its very low gate current

C. the source and drain being far apart

D. the geometry of the FET

A. $$3,\,\left( {\frac{V}{4},\,\frac{V}{2},\,\frac{{3V}}{4}} \right)$$

B. $$3,\,\left( {\frac{V}{3},\,\frac{{2V}}{3},\,V} \right)$$

C. $$4,\,\left( {\frac{V}{5},\,\frac{{2V}}{5},\,\frac{{3V}}{5},\,\frac{{4V}}{5}} \right)$$

D. $$4,\,\left( {\frac{V}{4},\,\frac{V}{2},\,\frac{{3V}}{5},\,V} \right)$$

A. 15 V, 1 k$$\Omega $$

B. 30 V, 4 k$$\Omega $$

C. 20 V, 2 k$$\Omega $$

D. 10 V, 5 k$$\Omega $$