Electric Circuits Answers

A copper wire has a resistance of 2.0 ohm at 0C and 2.26 ohm at 30C. What is the resistance at 50C?

a 2 ohms resistor and a 3 ohms resistors in parallel are connected to a 4 ohms resistor. the combination is then connected across a 12v battery having internal resistance of 1 ohms. what is the equivalent resistance in the circuit

Which of these electronic components must be connected in parallel to the resistive load in other to form a smoothing circuit?
Capacitors
Crystal oscillators
Transistors
Transformers

Which of these electronic components is identified by IN plus their number.
Zener Diode
Resistor
Thyristor
Transistors

How many stage(s) does the operational amplifier have?
two
three
four
one

The positive feedback current is used mainly in___________
capacitors
oscillators
oscilloscopes
transformers

The OP AMP differentiator is basically a ________________ pass filter
low
medium
high
one

A major disadvantage of the _________ pass transistor regulator is that they are inefficient
parallel
linear
series,
one

In _________ , the transistor operates somewhere between saturation and cut-off state.
Step-down Regulator
Step-up Regulator
Linear Regulator
Inverting Regulator

The following are major applications of Zener diode except
Voltage Regulation
Voltage Limiter
Meter Protection
Voltage Converter