Tiwari Academy Discussion

Asked: October 20, 2020In: Class 10

What are the advantages of connecting electrical devices in parallel with the battery instead of connecting them in series?

NCERT Solution for Class 10 Science Chapter 12 Electricity NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-216 Questions No-3

Sadhika Gujral

Asked: October 20, 2020In: Class 10

How can three resistors of resistances 2 ohm, 3 ohm, and 6 ohm be connected to give a total resistance of (a) 4 ohm, (b) 1 ohm?

NCERT Solution for Class 10 Science Chapter 12 Electricity NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-216 Questions No-4 How can three resistors of resistances 2 ohm, 3 ohm, and 6 ohm be connected to ...

Sadhika Gujral

Asked: October 20, 2020In: Class 10

What is (a) the highest, (b) the lowest total resistance that can be secured by combinations of four coils of resistance 4 ohm, 8 ohm, 12 ohm, 24 ohm?

NCERT Solution for Class 10 Science Chapter 12 Electricity NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-216 Questions No-5

Sadhika Gujral

Asked: October 20, 2020In: Class 10

Why does the cord of an electric heater not glow while the heating element does?

NCERT Solution for Class 10 Science Chapter 12 Electricity NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-218 Questions No-1

Sadhika Gujral

Asked: October 20, 2020In: Class 10

Compute the heat generated while transferring 96000 coulomb of charge in one hour through a potential difference of 50 V.

NCERT Solution for Class 10 Science Chapter 12 Electricity NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-218 Questions No-2

Sadhika Gujral

Asked: October 20, 2020In: Class 10

An electric iron of resistance 20 ohm takes a current of 5 A. Calculate the heat developed in 30 s.

NCERT Solution for Class 10 Science Chapter 12 Electricity NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-218 Questions No-3

Dev Kumar

Asked: October 20, 2020In: Class 10

What determines the rate at which energy is delivered by a current?

NCERT Solution for Class 10 Science Chapter 12 Electricity NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-220 Questions No-1

Dev Kumar

Asked: October 20, 2020In: Class 10

An electric motor takes 5 A from a 220 V line. Determine the power of the motor and the energy consumed in 2 h.

NCERT Solution for Class 10 Science Chapter 12 Electricity NCERT Books for Session 2022-2023 CBSE Board and UP Board Intext Questions Page No-220 Questions No-2

Poll

Dev Kumar

Asked: October 20, 2020In: Class 10

A piece of wire of resistance R is cut into five equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R ‘, then the ratio R/R ‘ is –

NCERT Solution for Class 10 Science Chapter 12 Electricity NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-221 Questions No-1

Poll

Dev Kumar

Asked: October 20, 2020In: Class 10

An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, the power consumed will be –

NCERT Solution for Class 10 Science Chapter 12 Electricity NCERT Books for Session 2022-2023 CBSE Board and UP Board Exercises Questions Page No-221 Questions No-3

What are the advantages of connecting electrical devices in parallel with the battery instead of connecting them in series?

How can three resistors of resistances 2 ohm, 3 ohm, and 6 ohm be connected to give a total resistance of (a) 4 ohm, (b) 1 ohm?

What is (a) the highest, (b) the lowest total resistance that can be secured by combinations of four coils of resistance 4 ohm, 8 ohm, 12 ohm, 24 ohm?

Why does the cord of an electric heater not glow while the heating element does?

Compute the heat generated while transferring 96000 coulomb of charge in one hour through a potential difference of 50 V.

An electric iron of resistance 20 ohm takes a current of 5 A. Calculate the heat developed in 30 s.

What determines the rate at which energy is delivered by a current?

An electric motor takes 5 A from a 220 V line. Determine the power of the motor and the energy consumed in 2 h.

A piece of wire of resistance R is cut into five equal parts. These parts are then connected in parallel. If the equivalent resistance of this combination is R ‘, then the ratio R/R ‘ is –

An electric bulb is rated 220 V and 100 W. When it is operated on 110 V, the power consumed will be –

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