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Current electricity questions

Current electricity questions | form two Physics

Find Current electricity examination questions, form two Physics in acaproso.com

# Question
1

The quantity of electric current caused by excess electrons is called
      A. coulomb

  1. electric charge
  2. electric current
  3. electrification.

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2

The SI unit of electric charge is:
A. ampere
B. coulomb
C. ohm
D. second


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3

The materials which allow electricity and heat to pass freely are termed as:
A. conductors
B. insulators
C. semi conductors
D. semi insulators


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4

Ohm is the SI unit of:
A. conductance
B. electric current
C. potential difference
D. upthrust and weight


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5

One of the following is a method of electrification:
A. charging by induction
B. charging by insulation
C. charging by conduction
D. charging by convection


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6

A current of 0.2A flows through a resistor of 20Ω. The p.d. across the resistor is:
A. 0.4V
B. 4V
C. 40V
D. 100V


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7

Current electricity is measured in:
A. amperes
B. coulombs
C. ohms
D. volts


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8

The resistance of a lamp operating on a line of m volts and drawing a current of n amperes is
A. n/m ohms.
B. n ohms.
C. mn ohms.
D. m/n ohms.


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9

An ammeter is an instrument for measuring:
A. Length.
B. Resistance.
C. Capacitance.
D. Current.


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10

A body which gains excess electrons becomes:
A. Negatively charged
B. Positively charged
C. Electrified
D. Both A and B are correct


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