CBSE Class 12 Mass Media Compartment Question Paper 2017 with Answer Key (July 17, Set 4- 34)

CBSE CLASS XII Questions

• 1.

  A coil has 100 turns, each of area \( 0.05 \, \text{m}^2 \) and total resistance \( 1.5 \, \Omega \). It is inserted at an instant in a magnetic field of \( 90 \, \text{mT} \), with its axis parallel to the field. The charge induced in the coil at that instant is:

  • \( 3.0 \, \text{mC} \)
  • \( 0.30 \, \text{C} \)
  • \( 0.45 \, \text{C} \)
  • \( 1.5 \, \text{C} \)
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• 2.

  ‘But the game he is watching so intently is out of his reach.’ What are the factors that have made their game inaccessible to Saheb? (Lost Spring)
  

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• 3.

  Your school is planning to host the Annual Awards Function on Saturday, 9th April. On behalf of the Principal, draft a formal invitation card to be sent to the parents and other guests inviting them for the function. Mention a compelling highlight of the celebration along with other details.

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• 4.

  The ratio of the number of turns of the primary to the secondary coils in an ideal transformer is 20:1. If 240 V AC is applied from a source to the primary coil of the transformer and a 6.0 \( \Omega \) resistor is connected across the output terminals, then the current drawn by the transformer from the source will be:

  • 4.0 A
    
  • 3.8 A
    
  • 0.97 A
    
  • 0.10 A
    
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• 5.

  Find : \[ I = \int \frac{x + \sin x}{1 + \cos x} \, dx \]

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• 6.

  Aakash and Baadal entered into partnership on 1st October, 2023 with the capitals of Rs 80,00,000 and Rs 60,00,000 respectively. They decided to share profits and losses equally. Partners were entitled to interest on capital @ 10\% per annum as per the provisions of the partnership deed. Baadal is given a guarantee that his share of profit, after charging interest on capital will not be less than Rs 7,00,000 per annum. Any deficiency arising on that account shall be met by Aakash. The profit of the firm for the year ended 31st March, 2024 amounted to Rs 13,00,000. Prepare Profit and Loss Appropriation Account for the year ended 31st March, 2024.
  

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