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