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