A) Newton per metre (N/m) B) Joules per metre (J/m) C) Watts per metre ( W/m) D) Newton per Coulombs ( N/C)
A) Centre B) Radially inwards C) Radially outward D) Sideways
A) Radially outward B) Sideways C) Centre D) Radially inwards
A) F = KQ/r B) F = qE C) F = mE D) F= KQ2/r2
A) E = -dV/dr B) E = -dF/dr C) E = dV/dr D) E = -dr/dV
A) A device used to store electrical energy in an electric field. B) Dynamos C) A device for generating current D) For generating alternating current
A) Farad B) Joules C) Newton D) Ampere
A) It is constant B) It increases C) It is doubled D) It decreases
A) Energy B) Force C) Voltage D) Charge
A) 5μF B) 6μF C) 7μF D) 12μF
A) Cathode B) Anode C) Electrolyte D) Non electrolyte
A) Negatively charged ions B) Positively charged ions C) Neutral ions
A) Neutral ions B) Positively charged ions C) Negatively charged ions
A) Charge on both plates to the potential difference B) Charge on one plate to the potential difference between the plates C) Potential difference to the charge on one plate D) Potential difference to the charge on both plates
A) 1 μF B) 36 μF C) 11 μF D) 0.5 μF
A) 0.5 μF B) 36 μF C) 1 μF D) 11 μF
A) The area of the plates B) The distance between the plates C) The potential difference across the plates D) The charge on the plates
A) 12 V B) 0.2 V C) 20 V D) 5 V
A) Capacitance B) Energy stored C) Voltage D) Charge
A) Neither B) Both C) Direct current D) Alternating current
A) Neither B) Direct current C) Both D) Alternating current
A) 2 × 10⁻³ N B) 4 × 10⁻³ N C) 1 × 10⁻³ N D) 1 × 10⁻⁴ N
A) 2 × 10³ N/C B) 18 × 10³ N/C C) 1.5 × 10³ N/C D) 6 × 10³ N/C
A) 9 × 10⁶ N/C B) 9 × 10³ N/C C) 4.5 × 10³ N/C D) 18 × 10³ N/C
A) E = kQ²/r B) E = kQ/r C) E = kQ/r² D) E = kQ²/r²
A) The potential per unit charge B) The work done per unit charge C) The charge per unit force D) The force per unit charge
A) Start from negative charge and end at positive charge B) Start from positive charge and end at negative charge C) Intersect each other D) Form closed loops
A) Two equal positive charges B) A single charge C) Two equal negative charges D) Two equal and opposite charges separated by a small distance
A) W = q²V B) W = q/V C) W = V/q D) W = qV
A) kQ/r² B) kQ²/r² C) kQ/r D) kQ²/r
A) 27× 10³ V B) 13.5 × 10³ V C) 4.5 × 10³ V D) 9 × 10³ V
A) The chemical decomposition of a compound by passing an electric current through it B) The melting of a substance by electric current C) The production of electricity from a chemical reaction D) The heating of a substance by electric current
A) Electrolytic cell B) Daniel Cell C) Galvanic cell D) Voltaic cell
A) Salt bridge B) Electrolyte C) Cathode D) Anode
A) Anode B) Cathode C) Salt bridge D) Electrolyte
A) Cathode B) Both electrode C) Anode D) Neither electrode
A) Neither B) Cathode C) Both D) Anode
A) Electrolyte B) Electrode C) Insulator D) Conductor
A) Sodium Chloride solution B) Carbonic acid C) Sugar solution D) Acetic acid
A) Copper sulphate B) Sugar solution C) Hydrochloric acid D) Carbonic acid
A) Directly proportional to the square of the charge passed B) Inversely proportional to the quantity of charge passed C) Independent of the charge passed D) Directly proportional to the quantity of charge passed
A) Proportional to their chemical equivalent weights B) Inversely proportional to their chemical equivalent weights C) Equal D) Proportional to their atomic numbers
A) Q = I/t B) Q = I²t C) Q = t/I D) Q = It
A) 10 C B) 300 C C) 600 C D) 120 C
A) 900 C B) 7200 C C) 3600 C D) 1800 C
A) The charge required to deposit 1 gram of substance B) The mass deposited by 1 Ampere of current C) The mass deposited by 1 Faraday of charge D) The mass deposited by 1 Coulomb of charge
A) Both electrodes B) Anode C) Neither electrodes D) Cathode
A) Anode B) Neither electrodes C) Both electrodes D) Cathode
A) A non-metal is deposited on another metal B) A gas is deposited on another metal C) A metal is removed on another metal D) A metal is deposited on another metal
A) 1.588 g B) 9.525 g C) 6.350 g D) 3.175 g |