AFCAT-EKT : EE Quiz 10

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Question 1

The voltage gain of Wien Bridge is defined by:

• A
• B
• C
• D

Question 2

In an Exclusive-NOR gate circuit,

• Afunction in sum of products form be obtained using NAND gates by changing AND and OR gates
• Bfunction in sum of products form be obtained using NOR gates by changing AND and OR gates
• Cfunction in product of sums form be obtained using NOR gates by changing AND and OR gates with XNOR gates
• Dfunction in product of sums form be obtained using NAND gates by changing AND gates with XOR gates

Question 3

For a BJT, and then the value of β is

• A99
• B91
• C79
• D61

Question 4

Two networks are said to be dual when

• Atheir node equations are the same
• Bthe loop equations of one network are analogous to the node equations of the other
• Ctheir loop equations are the same
• Dthe voltage sources of one network are the current sources of the other.

Question 5

Which one of the following power semiconductor device has bidirectional current capability?

• ASCR
• BMOSFET
• CIGBT
• DTRIAC

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