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بارہویں جماعت · طبیعیات · 6 سوالات

نام: ____________________ تاریخ: ____________

Two point charges of 2 microcoulomb and 3 microcoulomb are 3 m apart in air. The force between them is about: (k = 9 x 10^9 N m2/C2)
- A 6 x 10^-3 N
- B 1.8 x 10^-2 N
- C 2 x 10^-3 N
- D 6 x 10^-6 N
The electric field inside a charged conductor in equilibrium is:
- A Infinite
- B Maximum
- C Equal to the surface field
- D Zero
The SI unit of electric field is:
- A C/N
- B J/C only
- C N/C
- D N m
Two plates of a capacitor are 2 mm apart with a potential difference of 100 V. The field between them is:
- A 5 x 10^4 V/m
- B 2 x 10^5 V/m
- C 200 V/m
- D 5 x 10^2 V/m
Capacitors in parallel have a combined capacitance equal to:
- A The reciprocal of the sum
- B The product
- C The smallest one
- D The sum of the capacitances
Gauss's law relates the electric flux through a closed surface to the:
- A Charge enclosed
- B Outside charge
- C Surface area only
- D Mass

جوابی کلید

1. A, 2. D, 3. C, 4. A, 5. D, 6. A