Class 10

Rachit Ahuja

Asked: December 30, 2020In: Class 10 Maths

Find the roots of the following quadratic equations, if they exist, by the method of completing the square: 2 x² – 7x + 3 = 0

NCERT Solutions for Class 10 Maths Chapter 4 Important NCERT Questions Quadratic Equation NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 4.3 Page No:87 Questions No:1

Physics Sir

Asked: December 30, 2020In: Class 10 Science

What is joule’s heating effect of current P? Derive its expression.

NCERT Solutions for Class 10 Science Chapter 12 Important Board Questions Electricity NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Questions: Questions No: 3

Physics Sir

Asked: December 30, 2020In: Class 10 Science

Show how would you join three resistors, each of resistance Ω9 so that the equivalent resistance of the combination is (i) 13.5 Ω, (ii) 6 Ω?

NCERT Solutions for Class 10 Science Chapter 12 Important Board Questions Electricity NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Questions: Questions No: 7

Poll

Aadit

Asked: December 30, 2020In: Class 10 Science

Assertion (A): As the speed of the coil in the motor increases, there is reduction in the current flowing through it. Reason (R): During rotation in electric motor, some induced current is produced.

NCERT Solutions for Class 10 Science Chapter 13 Important Board Questions Magnetic Effects of Electric Current NCERT Books for Session 2022-2023 CBSE Board and UP Board Very Short Questions: Questions No: 21

Physics Sir

Asked: December 30, 2020In: Class 10 Science

State ohm’s law. Derive relation between I, V and R. Draw the graph between V and I.

NCERT Solutions for Class 10 Science Chapter 12 Important Board Questions Electricity NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Questions: Questions No: 2

Category: Class 10

Find the roots of the following quadratic equations, if they exist, by the method of completing the square: 2 x² – 7x + 3 = 0

What is joule’s heating effect of current P? Derive its expression.

Show how would you join three resistors, each of resistance Ω9 so that the equivalent resistance of the combination is (i) 13.5 Ω, (ii) 6 Ω?

Assertion (A): As the speed of the coil in the motor increases, there is reduction in the current flowing through it. Reason (R): During rotation in electric motor, some induced current is produced.

State ohm’s law. Derive relation between I, V and R. Draw the graph between V and I.

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