L3 - Mid review (MiSoWi)

NC in a Micro-switch stands for?

• Normally Closed

• Not Closed

• Normally Common

• Not Common

In an obstacle avoider, if an obstacle is sensed on the left side then the robot must move in which direction?

• Turn left

• Move forward

• Stop

• Turn Right

Solar cells are also known as

• Photo cells

• Sun cells

• Photo-voltaic cells

• None of the above

When power supplies are connected in series, then

• Voltage gets subtracted

• Current gets added

• Voltage gets added

• Current gets subtracted

If power supplies are connected in parallel then __

• Voltage is added and current is same

• Voltage is same and current is added

• Voltage and current both are added

• Voltage and current gets subtracted

If a Solar panel has 8V and 2A capacity, what is its power?

• 10W

• 6W

• 16W

• 4W

What is the unit of Frequency?

• Watt

• Hertz

• Volts

• Amperes

What is Encoder used for?

• To convert analog to digital

• To convert parallel to serial data

• To convert digital to analog

• To convert serial to parallel data

What numbers are included in binary number system?

• 0 and 1

• 1 and 2

• 0 to 9

• None of the options

There is a Solar cell of 6V and we have to create a Solar panel of 72V, how many solar cells will be needed and in what connection?

• 78 Solar cells in Parallel

• 78 Solar cells in Series

• 12 Solar cells in Parallel

• 12 Solar cells in Series