Preskoči na glavni sadržaj

Sign up for FREE

Op amps

Posljednje ažuriranje about 7 years ago

5

Napomena autora:

Introductory Op amps multiple choice

1

1

1

1

1

Pitanje 1

1.

Output resistance of an actual op-amp is

45Ω

46Ω

70Ω

75Ω

Pitanje 2

2.

Impedance of ideal op-amp is

zero

1

infinite

2

Pitanje 3

3.

Amplifier produces output with more

power only

voltage only

current only

power and voltage

Pitanje 4

4.

The figure below shows an ideal op-amp. How many power supplies does it have?

two

four

six

three

Pitanje 5

5.

In the opamp shown below, what does the V+ represent?

The external power supply

The inverting input

The non-inverting input

Volatge above ground