According to Gausses law if the enclose charge is zero, Electric Field (E) is co
ID: 1525839 • Letter: A
Question
According to Gausses law if the enclose charge is zero,
Electric Field (E) is constant b) Area (A) is constant c) Angle between E and A is zero d) Electric Flux is zero.
In the electrostatic force equation the force between two charge is F = Kq1q2/r2. Here the relation between F and r is
F is directly proportional to r2 b) F and r2 is constant c) F is inversely proportional to r d) F is inversely proportional to r2.
Which one is a vector? a) Work b) electric potential c) Electric Field d) Charge e) Time.
Capacitance is a/an
a) electrical properties b) geometrical properties c) magnetic properties
When a dielectric material is inserted in side a capacitor the capacitance will
become zero b) decrease c) increase d) no change
In order to increase the capacitance, two capacitor must be connected in
a) series b) parallel
When a charge particle moved in side a conductor the work done by the charge particle is
Zero b) Positive c) Negative d) charge particle is doing the work
The distance between two conducting plates are decrease by a factor 2, the capacitor will
a) increase by a factor of 2 b) decrease by a factor of 2 c) increase by a factor of 4 d) decrease by a factor of 4
18. In a semi-conductor, what moves to conduct current?
Electron b) Hole (Positive) charge c) Both a) & b) d) neutrons
19. Voltage is defined as the ______________ per unit ______________.
Work, charge b) work, time c) volts, charge d) potential difference
Combination of three electrons and three neutrons has_________ charge.
-1.6X10-19C b) -3.2X10-19C c) -4.8X10-19C d) 4.8X10-19C
Explanation / Answer
2.In the electrostatic force equation the force between two charge is F = Kq1q2/r2. Here the relation between F and r is
Ans(d) F is inversely proportional to r2
3.Which one is a vector?
Ans (c) Electric Field.
4. The Capacitance is a/an
Ans (a) electrical properties
5.When a dielectric material is inserted in side a capacitor the capacitance will
Ans (c) increase.
6.In order to increase the capacitance, two capacitor must be connected in
Ans (b) parallel