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