With zero volts on both inputs, an OP-amp ideally should have an output ___________

In order to ensure that the output voltage of an opamp is zero, when both its inputs are grounded

A

internal negative feedback used

B

an external offset balancing circuit is used at the input terminals

C

the currents incident at the output node are carefully designed

D

the totem-pole output transistors are designed to have exactly equal cutin voltages

A suspension string have 3 units. Voltage across topmost and lower most unit of string are 6.71 volts and 11 volts respectively. What is the voltage across middle string, if voltage across whole string is 25.76 volts?

A

103.47 volts

B

8.05 volts

C

83.6 volts

D

25.76 volts

The circuit shown below has the following parameters: V1 = 8 Volts V2 = 6 Volts Vs = 10V/√2 (rms) Voltage drop across D1 & D2 = 0.7 Volts At the load (R), the peak value in the positive half cycle will be

A

8.7 V

B

6.7 V

C

8 V

D

10V/√2

The circuit shown below has the following parameters: Voltage drop across D1 & D2 = 0.7 Volts V1 = 8 Volts V2 = 6 Volts Vs = 10V/√2 (RMS) At the load (R), the peak value in the negative half cycle is

A

8.7 V

B

6.7 V

C

8 V

D

10V/√2

What is simplified Boolean equation of a logic circuit, If the circuit output is 1 for following inputs? ABCD = 0010 ABCD = 0110 ABCD = 1000 ABCD = 1100 And output is zero for all other inputs

A

A̅CD̅ + AC̅ D̅

B

A̅CD + ACD̅

C

ACD̅ + A̅CD̅

D

A̅CD̅ + ACD̅

Which of the following statements is/are correct? 1. A system is said to be Finite Impulse Response (FIR), if the output samples of the system depend only on the present input and a finite number of past or previous input samples. 2. If the output of a system y(n) depends only on the present input and past inputs, but not on past outputs, then it is called a non-recursive system. 3. If the output of a system y(n) depends only on the present input and past inputs, but not on past outputs, then it is called a recursive system.

A

1 only

B

1 and 2 only

C

1 and 3 only

D

3 only

A logic circuit that provides a HIGH output for both inputs HIGH or both inputs LOW is __________

A

Ex-NOR gate

B

OR gate

C

Ex-OR gate

D

NAND gate

A logic circuit that provides a HIGH output for both inputs HIGH or both inputs LOW is ____________

A

Ex-NOR gate

B

OR gate

C

Ex-OR gate

D

NAND gate

The given conditions are imposed by an officer for providing the Travelling Concession to the employees. The employee A. Should have made 2 trips in a 4 calendar years. B. Should have made one trip in 1 calendar year. C. Should have made one trip within the native country, while the other could have been overseas. D. Should have made a trip with maximum of 6 people. E. The total cost of both the trips should not have exceeded Rs. 6 lakhs. In case of employee who satisfies all the other criteria except: I. At (D) above, he/she would get Rs. 4 lakhs as concession. II. At (E) above, he/she would get Rs. 3 lakhs as concession. In the inquiry underneath, data of one employee is given. You need to take one of the accompanying four choices in the light of the data given and the criteria and conditions given above. Shyam, a native of India, along with his wife and 2 children went for vacations within India. He made his first trip in February, 2016 and second one in August 2016. The total expenditure of the trips were four lakhs and forty thousand.

A

Employee would get 4 lakhs concession

B

Employee would not get any concession

C

Employee would get 3 lakhs concession

D

Employee would get 4 lakhs and forty thousand concession

There are two types of inputs to a process besides the raw material. That are controllable inputs and _____ inputs.

A

noise

B

voice

C

monitoring

D

service

With zero volts on both inputs, an OP-amp ideally should have an output ___________

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