Power Grid

Q.

What are the different types of electrical power?

Q. Calculate the value of current if the power produced in a power generating station is 11 MW.

1. 100 A
2. 10 A
3. 1000 A
4. 1 A

Q. An installation consisting of an electric motor driving a water pump left $75L$ of water per second to a height of $4.7m$. If the motor consumes a power of $5kW$, then the efficiency of the installation is

1. $69$%
2. $39$%
3. $93$%
4. $96$%

Q. Power stations are centers where electricity is produced and distributed on a large scale.
Calculate the current if the power produced here in $11MW.$