12th Grade Physics Practice Questions! Quiz

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| By Meyya22
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Meyya22
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Quizzes Created: 6 | Total Attempts: 137,482
Questions: 10 | Attempts: 4,928

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12th Grade Physics Practice Questions! Quiz - Quiz

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Questions and Answers
  • 1. 

    Electric field is a --------------field, since force is a------------ quantity

    • A.

      Vector,Vector

    • B.

      Scalar,Vector

    • C.

      Vector,Scaler

    • D.

      Scalar,Scalar

    Correct Answer
    A. Vector,Vector
    Explanation
    "The term field in physics generally refers to a quantity that is
    defined at every point in space and may vary from point to point."

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  • 2. 

    __________= 1V/A 

    • A.

      1℮

    • B.

      1Ω

    • C.

    • D.

    Correct Answer
    B. 1Ω
    Explanation
    unit of resistance.

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  • 3. 

    The modern ac generator with a typical output capacity of ------ is a highly evolved machine.

    • A.

      0-50 MW

    • B.

      50-90 MW

    • C.

      90-110MW

    • D.

      30-70 MW

    Correct Answer
    C. 90-110MW
    Explanation
    The modern ac generator with a typical output capacity of 100 MW is a highly evolved machine.

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  • 4. 

    The difference is often called the ________ of the circuit

    • A.

      Bindwidth

    • B.

      Brandwidth

    • C.

      Bandwidth

    • D.

      Boundwidth

    Correct Answer
    C. Bandwidth
    Explanation
    related to Sharpness of resonance

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  • 5. 

    For paraxial rays tanø=ø, now tan(n-1)ø=? Consider ø is small

    • A.

      Nø-ø

    • B.

      ø

    • C.

    • D.

    Correct Answer
    A. Nø-ø
    Explanation
    since, tanø=ø then tan(n-1)ø=nø-ø

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  • 6. 

    Ammeter is used to measure ----------.  

    • A.

      A

    • B.

      µA

    • C.

      MA

    • D.

      All the above

    Correct Answer
    D. All the above
    Explanation
    All denotes various unit of current

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  • 7. 

    Frequency band of Satellite Communication is ---------------------  

    • A.

      540-1600 kHz

    • B.

      3.7-4.2 GHz

    • C.

      88-108 MHz

    • D.

      420-890 MHz

    Correct Answer
    B. 3.7-4.2 GHz
    Explanation
    Frequency band of Satellite Communication

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  • 8. 

    LtR=        Voltage applied to a__________

    • A.

      Series RLC

    • B.

      Parallel LC

    • C.

      Parallel LCR

    • D.

      Series CR

    Correct Answer
    A. Series RLC
    Explanation
    According to AC voltage drived from kirchhoff's loop rule.

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  • 9. 

    =      This relation is known as______

    • A.

      Mirror equation

    • B.

      Thin lens formula

    • C.

      First focal point formula

    • D.

      Second focal point formula

    Correct Answer
    B. Thin lens formula
    Explanation
    By applying sign convention in refraction by a lens

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  • 10. 

    • A.

      Reactance diagram

    • B.

      Impedance diagram

    • C.

      Capacitance diagram

    • D.

      Phasor diagram

    Correct Answer
    B. Impedance diagram
    Explanation
    denotes impedance.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 12, 2014
    Quiz Created by
    Meyya22
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