For a BJT, find the maximum power dissipation when the device is safely operated at Vce = 90V and Ic = 0.5A

Choose the correct statement(s) i) The gate circuit impedance of MOSFET is higher than that of a BJT ii) The gate circuit impedance of MOSFET is lower than that of a BJT iii) The MOSFET has higher switching losses than that of a BJT iv) The MOSFET has lower switching losses than that of a BJT

A

Both i & ii

B

Both ii & iv

C

Both i & iv

D

Only ii

Find the average gate power dissipation (Pgav) when the maximum allowable gate power dissipation (Pgm) = 10 kW, with a duty cycle = 50 %.

A

10 KW

B

5 KW

C

2.5 KW

D

7 KW

Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current?

A

P = IE

B

P = E²/R

C

P = I²R

D

I = P/E

E

None of the above

The power dissipation in each of four parallel branches is 1.2 W. The total power dissipation is

A

1.2 W

B

4.8 W

C

0.3 W

D

12 W

In the given circuit, using a silicon BJT, what is the value of VCE?

A

20 V

B

15.52 V

C

14.98 V

D

13.97 V

The probabilities that drivers A, B and C will drive home safely after consuming liquor are 2 / 5, 3 / 7 and 3 / 4, respectively. What is the probability that they will drive home safely after consuming liquor ?

A

3\/70

B

4\/70

C

9\/70

D

1\/50

When device A has a cable that plugs into device B, and device B has a cable that plugs into device C and device C plugs into a port on the computer, this arrangement is called a _________

A

port

B

daisy chain

C

bus

D

cable

He reached home safely. Choose the appropriate parts of speech of the word is "safely."

A

Noun

B

Adjective

C

Verb

D

Adverb

If the chance that a vessel arrives safely at a port is $$\frac{{9}}{{10}}$$ then what is the chance that out of 5 vessels expected at least 4 will arrive safely?

A

$$\frac{{14 \times {9^4}}}{{{{10}^5}}}$$

B

$$\frac{{15 \times {9^5}}}{{{{10}^4}}}$$

C

$$\frac{{14 \times {9^3}}}{{{{10}^4}}}$$

D

$$\frac{{14 \times {9^6}}}{{{{10}^5}}}$$

A device is operating at Ic = 4A & Vce = 50V. For the device to operate at Ic = 20A (Without damaging),

A

voltage should be increased

B

voltage should be reduced

C

voltage can be kept constant

D

current has to increased further

For a BJT, find the maximum power dissipation when the device is safely operated at Vce = 90V and Ic = 0.5A

Related Questions