Electronic Devices and Circuits MCQ Questions with answers and solutions Page 1

Q. Superposition theorem is based on

(A) reciprocity
(B) duality
(C) non-linearity
(D) linearity

💬 Discuss

✅ Correct Answer: (D) linearity

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Electronic Devices and Circuits

Q. The Norton current is sometimes called the

(A) shorted-load current
(B) open-load current
(C) thevenin current
(D) thevenin voltage

💬 Discuss

✅ Correct Answer: (A) shorted-load current

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Electronic Devices and Circuits

Q. Kirchhoff s current law states that

(A) net current flow at the junction is positive
(B) hebraic sum of the currents meeting at the junction is zero
(C) no current can leave the junction without some current entering it.
(D) total sum of currents meeting at the junction is zero

💬 Discuss

✅ Correct Answer: (B) hebraic sum of the currents meeting at the junction is zero

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Electronic Devices and Circuits

Q. According to Kirchhoffs voltage law, the algebraic sum of all IR drops and e.m.fs. in any closed loop of a network is always

(A) negative
(B) positive
(C) determined by battery e.m.fs.
(D) zero

💬 Discuss

✅ Correct Answer: (D) zero

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Electronic Devices and Circuits

Q. Kirchhoffs current law is applicable to only

(A) junction in a network
(B) closed loops in a network
(C) electric circuits
(D) electronic circuits

💬 Discuss

✅ Correct Answer: (A) junction in a network

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Electronic Devices and Circuits

Q. Kirchhoffs voltage law is related to

(A) junction currents
(B) battery e.m.fs.
(C) ir drops
(D) both (b) and (c)

💬 Discuss

✅ Correct Answer: (D) both (b) and (c)

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Electronic Devices and Circuits

Q. Thevenin resistance Rth is found

(A) by removing voltage sources along with their internal resistances
(B) by short- circuiting the given two terminals
(C) between any two \open\ terminals
(D) between same open terminals as for etk

💬 Discuss

✅ Correct Answer: (D) between same open terminals as for etk

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Electronic Devices and Circuits

Q. An ideal voltage source should have

(A) large value of e.m.f.
(B) small value of e.m.f.
(C) zero source resistance
(D) infinite source resistance

💬 Discuss

✅ Correct Answer: (C) zero source resistance

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Electronic Devices and Circuits

Q. A transistor has how many pn junctions?

(A) 1
(B) 2
(C) 3
(D) 4

💬 Discuss

✅ Correct Answer: (B) 2

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Electronic Devices and Circuits

Q. In an npn transistor, the majority carriers in the emitter are

(A) free electrons
(B) holes
(C) neither
(D) both

💬 Discuss

✅ Correct Answer: (A) free electrons

Published by Mr. Dubey ⭐ 111.54K Points at 14-Jun-2020 11:59 am in Electronic Devices and Circuits

Electronic Devices and Circuits MCQs | Page - 1

Q. Superposition theorem is based on

Q. The Norton current is sometimes called the

Q. Kirchhoff s current law states that

Q. According to Kirchhoffs voltage law, the algebraic sum of all IR drops and e.m.fs. in any closed loop of a network is always

Q. Kirchhoffs current law is applicable to only

Q. Kirchhoffs voltage law is related to

Q. Thevenin resistance Rth is found

Q. An ideal voltage source should have

Q. A transistor has how many pn junctions?

Q. In an npn transistor, the majority carriers in the emitter are

Explore More Categories

📱 Download Our App