Hello Engineers.
A. Tunnelling of charge carriers across the junction
B. Thermionic emission
C. Diffusion of charge carriers across the junction
D. Hopping of charge carriers across the junction
Ans: A
A. All the three junctions are negatively biased
B. Outer junctions are positively biased and the inner junction is negatively biased
C. Outer junctions are negatively biased and the inner junctions is positively biased
D. The junctions near the anode is negatively biased and the one near the cathode is positively biased.
Ans: C
A. High dv/dt and low di/dt
B. Low dv/dt and high di/dt
C. Low dv/dt and low di/dt
D. High dv/dt and high di/dt
Ans : D
A. Voltage controlled device
B. Current controlled device
C. Frequency controlled device
D. None of the above
Ans:A
A. BJT
B. MOSFET
C. SIT
D. IGBT
Ans: C
A. External layers are lightly doped and internal layers are heavily doped
B. External layers are heavily doped and internal layers are lightly doped
C. The p layers are heavily doped and the n layers are lightly doped
D. The p layers are lightly doped and the n layers are heavily doped.
Ans: D
1. Low forware voltage drop during conduction
2. Fast turn on and turn of time
3. Low switching losses
4. High reverse voltage blocking capability
5. Low gate input impedance
A. 1, 2 and 3 are correct
B. 3, 4 and 5 are correct
C. 2, 3 and 4 are correct
D. 1, 3 and 5 are correct
Ans: A
A. Seconds
B. Milliseconds
C. Microseconds
D. Nanoseconds
Ans: D
Thanks for reading.
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