Technical quiz

Name India's first satellite and when it was launched

• Bhaskara, 7June, 1979

• Aryabhatta, 19 April, 1975

• Rohini, 25 APril, 1975

• INSAT, 10 April, 1978

Full form of SIM is___________

• Subscriber Identity Mobile

• Software Integreted Module

• Software Identity Module

• Subscriber Identity Module

In 5G technology 5G stands for

• 5th grade

• 5th generator

• 5th generation

• 5th generetion

Which country deployed the first 5G network

• India

• South africa

• South Korea

• USA

A simple PN -junction diode is fabricated using _____semiconductor and can be used as a________

• intrinsic, unidirectional switch

• Extrinsic, unidirectional switch

• intrinsic, bidirectional switch

• extrinsic, bidirectional switch

A forward biased PN-junction diode has a resistance of the order of

• ohms

• kilo ohms

• mega ohms

• none

For every 10 degrees increase in temperature ,the reverse saturation current of PN junction will be increased by

• 10 times

• 2 times

• 4 times

• none

How does dynamic resistance of PN junction diode vary with temperature

• Directly

• indirectly

• Directly to the square of temperature

• Independent

Identify the circuit component based on given symbol

• Source

• LED

• Photo diode

• PN junction diode

Identify the circuit component based on symbol

• Photo diode

• PN junction diode

• Zener diode

• Varicap