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Physics 10 Chapter 14 - Current and Electricity - 3
1.
Due to flow of which charges, electric current is produced in electrolysis?
a) (a) Both b and c
b) (b) Positive charges
c) (d) Neutral charges
d) (c) Negative charges
2.
In which of the following substance, the current is produced due to the flow of both positive and negative charges?
a) Metalloids
b) Non metals
c) Electrolysis
d) Metals
3.
To which of the following, positive ions are attached in electrolytic solution?
a) Diode
b) Cathode
c) Anode
d) DC supply
4.
Which ions are attached to the cathode in electrolytic solution?
a) Positive ions
b) Positrons
c) Neutral ions
d) Negative ions
5.
To which of the following, negative ions are attached in electrolytic solution?
a) Cathode
b) DC supply
c) Diode
d) Anode
6.
Which ions are attached to the anode in electrolytic solution?
a) Positrons
b) Positive ions
c) Neutral ions
d) Negative ions
7.
In which of the following substance, the current is produced due to the flow of both positive and negative charges?
a) Metals
b) Aqueous solution
c) Metalloids
d) Non metals
8.
What is the rate of flow of electric charge through any cross-sectional area called?
a) Electric power
b) Resistance
c) Current
d) Capacitance
9.
If the charge Q is passing through any area in time t, then what will be the formula for current I flowing through it?
a) Current=Time / Charge
b) Current=Charge x Time
c) Current=Charge + Time
d) Current=Charge / Time
10.
If the charge Q is passing through any area in time t, then what will be the formula for current I flowing through it?
a) Formula: I = Q x t
b) Formula: I = Q - t
c) Formula: I = Q / t
d) Formula: I = t / Q
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