SSC JE 2017: Basic Electronics Rankers Quiz 2

Attempt now to get your rank among 1083 students!

Question 1

For the emitter follower circuit shown in Fig., the end points of the d.c. load line are

• A
• B
• C
• D

Question 2

The maximum efficiency of resistance loaded class power amplifier is……………

• A78.5%
• B50%
• C30%
• D25%

Question 3

In class operation, the operating point is generally located………………. of the d.c. load line.

• Aat cut-off point
• Bat the middle
• Cat saturation point
• Dnone of the above

Question 4

The majority carriers in an n-type semiconductor have an average drift velocity V_d in a direction perpendicular to a uniform magnetic field B. The electric field E induced due to Hall Effect acts in the direction

• A-V_d X B
• BB x V_d
• CAlong V_d
• DOpposite to V_d

Question 5

What is the value of current I through the ideal diode in the circuit?

• A100mA
• B150 mA
• C200 mA
• D250 mA

Question 6

The typical value of diffusion constants in a silicon PN-diode are:

• AD_n = 32 cm²/s & D_p =10 cm²/s
• BD_n = 34 cm²/s & D_p =12 cm²/s
• CD_n = 32 cm²/s & D_p =14 cm²/s
• DD_n = 12 cm²/s & D_p =34 cm²/s

Question 7

Which of the following statements is false?

• AThe source and drain terminals are separated by a distance of at least 1mm in MOSFET.
• BFormation of Inversion layer is seen in MOSFETs.
• CParallel plate capacitor effect is seen in MOSFETs.
• DContinuous channel is available in Depletion MOSFET.

Question 8

At T = 300 K, the hole mobility of a semiconductorThe hole diffusion constantin cm²/s is ________

• A10
• B12
• C13
• D14

• 1083 attempts
• 2 upvotes
• 6 comments