IV graph theory

IV graph theory

By Farukh Moghal

Multiple Choice

What is the unit for resistance?

• Amp

• Volt

• Ohm

• Second

Multiple Choice

The equation to calculate resistance is...

• R = V/I

• R = I/V

• R= I x V

• r = V/i

Multiple Choice

What word can be used to describe two values moving at the same ratio?

• Proportional

• Exponential

• Fractional

• Typical

Multiple Choice

The resistance in a resistor is...

• Changing

• High

• Constant

• Low

Multiple Choice

Resistance increases in a bulb as it gets...

• Colder

• Bigger

• Smaller

• Hotter

Multiple Choice

A bulb follows ohm's law at the...

• Beginning

• End

• middle

Multiple Choice

Resistance increases in the bulb due to _____ collisions with metal ions

• decreased

• increased

• more frequent

• less frequent

Multiple Choice

At low voltage, the current passing through a diode is...

• constant

• Low

• High

Multiple Choice

The current in a diode increases...

• constantly

• proportionately

• exponentially

Multiple Choice

A diode will only work in the ________ direction

• Forward

• Backward

• Sideways

Multiple Choice

The resistance of an LDR is affected by...

• temperature

• light intensity

• current

• voltage

Multiple Choice

A LDR will allow current to pass through it during...

• daylight

• darkness

• low current

• high current

Multiple Choice

The resistance of a thermistor is affected by...

• temperature

• light intensity

• c

Multiple Choice

The resistance of a thermistor increased as the temperature...

• decreases

• increases