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