Electronics Test - Random

In a binary-weighted digital-to-analog converter (DAC), the values of the input resistors are chosen to be proportional to the binary weights of the corresponding input bits.

If the load doubled in value in the given circuit, what reflected resistance would the source see?

Providing a constant output regardless of ac input or load resistance changes is the function of a:

What is wrong with this diode?

___ is the ability of a material to remain magnetized after removal of the magnetizing force.

Use the two's complement system to add the signed numbers 11110010 and 11110011. Determine, in decimal, the sign and value of each number and their sum.

The purpose of compensation for a thermocouple is

Which component is considered to be an "OFF" device?

Which are the better test devices used to isolate a suspected open component within a parallel circuit?

The digits in a measured number that are known to be correct are called

What is one disadvantage of an S-R flip-flop?

If R₂ opens in the given circuit, the voltage across R₁ will ___.

What is the voltage across a capacitor after being charged from a 100 V source for a period of one time constant?

What is the reactance value for a capacitor installed in a dc circuit?

If the reactive power of a circuit is 50 mW while the apparent power is 64 mW, then what is the true power of the circuit?

If a current of 40 mA flows through a series circuit consisting of a 0.4 F capacitor and a resistor in series with a 4 kHz, 40 V_ac source, what is the total circuit impedance?

If series current doubles, then:

A logic probe is placed on the output of a gate and the display indicator is dim. A logic pulser is used on each of the input terminals, but the output indication does not change. What is wrong?

A connection to the frame of a piece of electronic equipment is sometimes referred to as ___ ground.

With negative feedback, the returning signal