*$_What is the approximate resistance setting of a rheostat in which 6 – McqOptions

MCQOPTIONS

1.	*$_What is the approximate resistance setting of a rheostat in which 650 mA of current flows with a 150 V source??
A.	9.7 ≈í¬©
B.	97 ≈í¬©
C.	23 ≈í¬©
D.	230 ≈í¬©
Answer» E.

Discussion

No Comment Found

Related MCQs

When there is 12 mA of current through a 1.2 k≈í¬© resistor, the voltage across the resistor is%!
The formula for finding voltage when resistance and current are known is V = I/R.%!
The formula for finding resistance when current and voltage are known is R = I/V.%!
How much resistance is needed to draw 17.6 mA from a 12 volt source?%!
Twelve volts are applied across a resistor. A current of 3 mA is measured. What is the value of the resistor?%!
You are measuring the current in a circuit that is operated on an 18 V battery. The ammeter reads 40 mA. Later you notice the current has dropped to 20 mA. How much has the voltage changed?%!
If you wish to increase the amount of current in a resistor from 120 mA to 160 mA by changing the 24 V source, what should the new voltage setting be?%!
Ohm's law describes how current is related to voltage and resistance.%!
The ampere is the unit of resistance.%!
If 24 V are applied across a resistor and there are 10.9 mA of current, the resistance is%!