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In current electricity, a positive charge refers to
1. presence of electron
2. presence of proton
3. absence of electron
4. absence of proton
Rubbing of comb with hair
1. creates electric charge
2. transfers electric charge
3. either (a) or (b)
4. neither (a) nor (b)
Potential near a charge is the measure of its
1. force
2. ability
3. tendency
4. work
Heating effect of current is called
1. Joule heating
2. coulomb heating
3. ampere heating
4. voltage heating
In an electrolyte the current is due to the flow of
1. electrons
2. positive ions
3. both (a) and (b)
4. neither (a) nor (b)
Electroplating is an example for
1. heating effect
2. chemical effect
3. floating effect
4. magnetic effect
Resistance of a wire depends on
1. temperature
2. nature of material
3. geometry
4. all of the above
Electric current is the rate at which charges flow across a conductor in a circuit.
1. electric current
2. electric field
3. electric charge
4. all of the above
It is the fundamental property of matter
1. electric current
2. electric field
3. electric charge
4. none of the above
An instrument used for measuring the amount of electric current
1. barometer
2. ammeter
3. hydrometer
4. none of the above
The region around a charge in which another charge experiences electric force
1. electric field
2. electric current
3. electric charge
4. none of the above
Measure of the work done on unit positive charge to bring it to that point against all electrical forces.
1. electric field
2. electric potential
3. electric charge
4. none of the above
The electric lines of force are straight or curved paths along which a unit positive charge tends to move in the electric field
1. electric charge
2. electric force
3. Electric lines of force
4. electric field
An instrument used to measure the potential difference
1. ammeter
2. voltmeter
3. hydrometer
4. none of the above
The positive terminal in the electrolyte.
1. cathode
2. anode
3. anion
4. cation
The negative terminal in the electrolyte
1. anion
2. cathode
3. anode
4. cation
Current in a resistor or in any other element which changes its direction alternately
1. current
2. alternating current
3. resistance
4. none of the above
electric circuit are of two tpyes
1. series
2. parallel
3. both A and B
4. neither A and B
types of current are
1. AC
2. DC
3. both A and B
4. neither A and B
effects of electric current
1. chemical effect
2. heating effect
3. magnetic effect
4. above all
The device used to convert ac to dc is called
1. rectifier
2. ammeter
3. hydrometer
4. none of the above
what is connected in parallel in any electric circuit
1. ammeter
2. voltmeter
3. hydrometer
4. none of the above
what is connected in series with a device to measure its current
1. hydrometer
2. voltmeter
3. ammeter
4. none of the above
what is negative in electrolyte
1. anode
2. cathode
3. cation
4. none of the above
The domestic electricity in India is an ac with a frequency of
1. 40 Hz
2. 50 Hz
3. 60 Hz
4. none of these
Work done by the electrical energy source in driving a unit charge around the complete circuit
1. voltmeter
2. e.m.f
3. ammeter
4. none of the above
In which circuit there is more than one path for the electric charge to flow
1. series
2. loose
3. parallel
4. none of the above
The main components of any circuit are
1. cell
2. switch
3. resistors
4. all of the above
How many electrons will be there in one coulomb of charge?
1. 6.35 *10
2. 6.25 * 10
3. 6.45*10
4. 6.39*10
The force existing between the charges is called as
1. electric charge
2. electric force
3. electric current
4. none of the above
Device that converts dc into ac is called
1. rectifier
2. inverter
3. ammeter
4. none of the above

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