Lakhmir Singh and Manjit Kaur Solutions for Chapter: Magnetic Effect of Electric Current, Exercise 18: Short Answer Type Questions

State two ways in which the current induced in the coil of a generator could be increased.

What is the difference between alternating current and direct current?

What type of current is given by (i) a dry cell and (ii) a Powerhouse generator?

State and explain Fleming’s right-hand rule. 

Name and state the rule to find the direction of: current induced in a coil due to its rotation in a magnetic field.

Name and state the rule to find the direction of: force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it.

In what respect does the construction of an A.C. generator differ from that of a D.C. generator?

What normally drives the alternators in a Thermal Power Station? What fuels can be used to heat water in the boiler?