MDCAT ECAT Physics MCQs

Correct answer A. 6.37 V

Correct answer D. To smooth the pulsating output

Correct answer B. pulsating DC

Correct answer D. n-type

Correct answer C. An acceptor impurity producing holes

Correct answer B. It increases

Correct answer B. Low in forward bias and very high in reverse bias

Correct answer A. immobile positive and negative ions

Correct answer B. It gives a higher average output with less ripple

Correct answer B. 50 Hz

Correct answer D. The nucleus

Correct answer A. Current leads the voltage by an angle between 0° and 90°

Correct answer B. The positive terminal

Correct answer C. It widens

Correct answer C. Free electrons

Correct answer B. 0.7 V

Correct answer A. 0.3 V

Correct answer D. minority carriers crossing the junction

Correct answer D. One

Correct answer C. Four