EASY
12th West Bengal Board
IMPORTANT
Earn 100

Draw the graph showing the variation of mass of ions deposited with time during electrolysis, when a steady current is passed during the process?

Important Questions on Thermal Effect and Chemical Effect of Current

EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 6 - Thermal Effect and Chemical Effect of Current>EXERCISE 6>Q 32

Does in electrolysis the mass of electrodes always change?

EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 6 - Thermal Effect and Chemical Effect of Current>EXERCISE 6>Q 33

If a steady current flows for an indefinite time through a resistor, will its temperature continue to increases indefinitely. Explain with reason. 

EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 6 - Thermal Effect and Chemical Effect of Current>EXERCISE 6>Q 34
Show that in an electric circuit when a current gets divided into a number of branches it does so in such a way that the heating is minimum.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 6 - Thermal Effect and Chemical Effect of Current>EXERCISE 6>Q 35
Two electric bulbs of 50 W and 100 W are given. Which one will be brighter when they are connected in series? 
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 6 - Thermal Effect and Chemical Effect of Current>EXERCISE 6>Q 35
Two electric bulbs of 50 W and 100 W are given. Which one will be brighter when they are connected in parallel?
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 6 - Thermal Effect and Chemical Effect of Current>EXERCISE 6>Q 36
Discuss briefly whether you should use thin wires or thick wires for demonstrating Peltier effect.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 6 - Thermal Effect and Chemical Effect of Current>EXERCISE 6>Q 37

Explain why electric lamp used in d.c. line can also be used in a.c. line.

EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 6 - Thermal Effect and Chemical Effect of Current>EXERCISE 6>Q 38
Explain why it is more economical to transmit electric power at high voltage and low current than at low voltage and high current.