Technical Quiz Round 1

What is the unit of frequency?

• a) Watts

• b) Hertz

• c) Volt

• d) Ampere

A closed path made by several branches of the network is known as.......?

• A. Branch

• B. Loop

• C. Circuit

• D. Junction

The most commonly used semiconductor is.......?

• A) Germanium

• B.Silicon

• C.Carbon

• D.Sulphur

Ideal voltage source have.....?

• A. Zero internal resistance

• B. Infinite internal resistance

• C. Low value of current

• D. Large value of e.m.f.

Which type of device converts electrical energy to mechanical energy?

• a) Transformer

• b) Transistor

• c) Inductor

• d) Motor

What is the function of a capacitor?

• a) To amplify signals

• b) To store electrical energy

• c) To regulate voltage

• d) To control current

Which of the following is a passive component?

• a) Diode

• b) Transistor

• c) Capacitor

• d) Operational amplifier

What is the basic unit of digital information?

• b) Bit

• a) Byte

• c) Kilobyte

• d) Megabyte

What is the unit of resistance?

• a) Ohm

• b) Henry

• c) Farad

• d) Watt

What is the difference between a hub and a switch?

• a) A hub is a layer 3 device and a switch is a layer 2 device

• d) A hub is a router and a switch is a firewall

• c) A hub is used in wireless networks, while a switch is used in wired networks

• b) A hub broadcasts data to all devices, while a switch sends data only to the intended device