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Short Quiz in Science 9 differentiate electrical power and electrical energy

Quiz by Quizalize Premium (Philippines)

Grade 8
Science
Philippines Curriculum: Grades 1-10

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5 questions
Show answers
  • Q1
    What will be the current drawn by an electric bulb of 1000 W when it is connected to a source of 220 V? Remember: I = P/V
    28800 J or 28.8 KJ
    200 W
    80 W
    4.55 A
    30s
    S9FE-li-32
  • Q2
    A current of 4 A flows through a 20 V car headlight bulb. Calculate the electric power.
    200 W
    80 W
    4.55 A
    2.5 A
    30s
    S9FE-li-32
  • Q3
    Calculate the electric power of an electrical appliance in which 10 A of current is flowing through a resistor of 2 ohms.
    200 W
    2.5 A
    80 W
    22.5 KJ
    30s
    S9FE-li-32
  • Q4
    Calculate the electric power of an electrical appliance of 20 V having a resistance of 10 ohms.
    79.20 KJ
    2.5 A
    200 W
    40 W
    30s
    S9FE-li-32
  • Q5
    Calculate the electrical energy consumed when a potential difference of 5 V is applied across a resistor of 2 ohms for 30 minutes.
    200 W
    22500 J or 22.5 KJ
    4500 J or 4.5 KJ
    80 W
    30s
    S9FE-li-32

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