CHAPTER 2 ELECTRONICS 1

Which of the following is an active element

• Transformer

• Inductor

• Capacitor

• Transistor

Which of the following is an passive element

• Transistor

• Diode

• Inductor

• Current source

In a closed circuit, if the resistance value increases then what will be effect of current

• become zero

• remain constant

• increases

• Decreases

What is the unit of resistance

• Ampere

• Ohm

• volt

• Watt

The value of resistor is specified in

• ohms

• watts

• amperes

• Both A&B

In which type of circuit the wire wound resistors are used

• high current

• Negative temperature co-efficient

• Low power

• High voltage

What is the value of resistor with a color code of orange, orange, orange?

• 22kΩ

• 3300Ω

• 44000Ω

• 33kΩ

The wattage of the resistor is identified by

• Size

• Color code

• Types of material

• Internal construction

How is power dissipated in a resistor?

• by resistance

• by voltage

• by current

• by heat

Which of the following parameter decides the value of resistance of the material

• Resistivity of the material

• Cross section area

• length of the material

• All of the above