Curioustab

Home » Computer Science » Electronic Principles

What is the smallest number of polarities required for current flow?

One - a negative terminal
Two - a negative terminal and a positive terminal
Three - negative, positive and neutral terminals
Four - two negative and two positive
None of the above

Correct Answer: Two - a negative terminal and a positive terminal

← Previous Question Next Question→

More Questions from Electronic Principles

The value of a capacitor can be made larger by:
Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance?
Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff?
Which one of the following equations most directly determines the amount of current flowing through a resistor when you know the value of the resistor and the voltage drop across it?
Voltage is
The north pole of a magnet is the one:
A resistor has a rated value of 100 ohm and a tolerance of 10%. What is its minimum and maximum allowable resistance value?
What is the turns ratio for the transformer specified in the above question?
What is a negative ion?
Which is the most widely used semiconductor?

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion