EASA Part 66 – Electronics Module Questions with Verified Answers (Logic Gates, Op-Amps, Boolean Algebra)

EASA Part 66 : Electronics Questions with verified
answers
Question Number. 1. What are the ideal characteristics of an Op Amp?.
Option A. Infinite gain, infinite input Impedance and infinite output
impedance.
Option B. Infinite gain, infinite input Impedance and zero output
impedance.
Option C. Low gain, infinite input Impedance and zero output
impedance. Ans✓✓✓ Correct Answer is. Infinite gain, infinite input
Impedance and zero output impedance.
Explanation. NIL.


Question Number. 10. What is meant by a bistable circuit?.
Option A. The circuit has 2 stable states and will stay in which one it is
put.
Option B. The circuit has 1 stable state and it can be negative or
positive.
Option C. The circuit has 2 stable states and will stay in both at the
same time. Ans✓✓✓ Correct Answer is. The circuit has 2 stable states
and will stay in which one it is put.
Explanation. A bistable circuit has 2 stable states and it will be in only
one at a time.


Question Number. 11. What does the output voltage of an op-amp
depend upon?.

, Option A. The op amp bandwidth.
Option B. The gain of the op-amp.
Option C. The resistors in the circuit. Ans✓✓✓ Correct Answer is. The
resistors in the circuit.
Explanation. The output of an op-amp is controlled by the external
resistor circuit.


Question Number. 12. What type of gate is an OR gate with both
inverted inputs and inverted outputs?.
Option A. NAND gate.
Option B. NOR gate.
Option C. AND gate. Ans✓✓✓ Correct Answer is. AND gate.
Explanation. An AND gate can be made by inverting both the inputs and
the output of an OR gate.


Question Number. 13. Diodes connected in parallel would act like an.
Option A. an NAND gate.
Option B. an AND gate.
Option C. an OR gate. Ans✓✓✓ Correct Answer is. an AND gate.
Explanation. NIL.


Question Number. 14. The output of the circuit shown will be.
Option A. -15 V.