Which of the following statements is correct?
A negatively charged particle has higher electric potential than a positively charged particle
Charge flow only through negative charge carriers like electrons
The randomly moving electrons in a metal wire will start moving in a particular direction when a potential difference is applied across it.
During electrolysis, charge flows through electrolyte solution via electrons
The electrode at which terminal get plated during electroplating?
Positive.
Negative.
Neutral.
Either positive or negative
The process of chemical decomposition of a solution on passing electric current through it is known as
Electroplating.
Electrolysis.
Hydrolysis.
Diffusion
Potential difference is measured in
Ohm
Coulomb
Ampere
Volt
Who proved that when electrodes are immersed in water and currents are passed, bubbles of oxygen and hydrogen were produced?
Games Watt.
J.J.Thomson.
Issac Newton.
William Nicholson.
Rate of flow of charge is called
Voltage
Resistance
Current
Conductance
The common dry cell produces a voltage of
60 V
1.5 V
3 V
30 V
A cell converts
Electrical energy into chemical energy.
Chemical energy into electrical energy.
Magnetic energy into electrical energy.
Electrical energy into mechanical energy.
Charge flows between two ends of a conductor when
Equal and same type of charges are present at the two ends
Different electric potentials exist at the two ends of a conductor
The potential difference between the ends is zero
Same electric potential is present at the two ends
Copper electrode
Donates electrons to hydrogen ions
Accepts electrons from hydrogen ions
Donate electrons to sulphate ions
Accepts electrons from sulphate ions