Class 12

SAKINA

Asked: November 13, 2019In: Class 12

regarding to compartment

sir, maine cbse se 2012 me exam diya tha jisme meri 2 subject me compartment ayi thi maine exam diya tha bt ek subject me clear hui thi maine re exam ke liye form fill kiya tha bt koi response ...

Kriti Narang

Asked: November 7, 2019In: Class 12

What should do after completing the NCERT Books for CBSE 2020 Exams?

I have done my NCERT book of Maths. Now what to do for getting good marks in less effort.

Poll

Kriti Narang

Asked: November 7, 2019In: Class 12

Audio sine waves of 3 kHz frequency are used to amplitude modulate a carrier signal of 1.5 MHz. Which of the following statements are true?

Which one is correct.

Poll

Kriti Narang

Asked: November 7, 2019In: Class 12

A 100m long antenna is mounted on a 500m tall building. The complex can become a transmission tower for waves with λ.

Select the correct one.

Poll

Kriti Narang

Asked: November 7, 2019In: Class 12

Three waves A, B and C of frequencies 1600 kHz, 5 MHz and 60 MHz, respectively are to be transmitted from one place to another. Which of the following is the most appropriate mode of communication:

Select the correct answers.

Poll

Kriti Narang

Asked: November 7, 2019In: Class 12

A speech signal of 3 kHz is used to modulate a carrier signal of frequency 1 MHz, using amplitude modulation. The frequencies of the side bands will be

Select the correct one.

Poll

Kriti Narang

Asked: November 7, 2019In: Class 12

A male voice after modulation-transmission sounds like that of a female to the receiver. The problem is due to

Which one is correct as per you. 12th students must try.

Poll

Kriti Narang

Asked: November 7, 2019In: Class 12

The Electric field at a point is

Which is true for Electric field?

Poll

Kriti Narang

Asked: November 7, 2019In: Class 12

A positively charged particle is released from rest in an uniform electric field. The electric potential energy of the charge

Which is correct.

Poll

Kriti Narang

Asked: November 7, 2019In: Class 12

Equipotential surfaces

Select one option.

Category: Class 12

regarding to compartment

What should do after completing the NCERT Books for CBSE 2020 Exams?

Audio sine waves of 3 kHz frequency are used to amplitude modulate a carrier signal of 1.5 MHz. Which of the following statements are true?

A 100m long antenna is mounted on a 500m tall building. The complex can become a transmission tower for waves with λ.

Three waves A, B and C of frequencies 1600 kHz, 5 MHz and 60 MHz, respectively are to be transmitted from one place to another. Which of the following is the most appropriate mode of communication:

A speech signal of 3 kHz is used to modulate a carrier signal of frequency 1 MHz, using amplitude modulation. The frequencies of the side bands will be

A male voice after modulation-transmission sounds like that of a female to the receiver. The problem is due to

The Electric field at a point is

A positively charged particle is released from rest in an uniform electric field. The electric potential energy of the charge

Equipotential surfaces

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NCERT Books

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Category: Class 12

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