Current Electricity and Electrical InstrumentHard
Question
The area of the plates of the capacitor shown in figure is S. The dielectric constant and resistivity of the material of the slab inserted in the capacitor are K = 1 and ρ respectively. The emf of the ideal cell is V. The current flowing through dielectric slab immediately after the key is switched on is
Options
A.
B.
C.
D.Zero
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
A cell having an emf ε and internal resistance r is connected across a variable external resistanceR. As the resist...In the circuit shown the cells A and B have negligible resistances. For VA = 12V, R1 = 500 Ω and R =100 Ω the ...An electric bulb is rated 220 volt - 100 watt. The power consumed by it when operated on 110 volt will be...The current i in the circiuit (see figure) is...A cylindrical wire is stretched such that its length gets doubled but volume remains same, the resistance of wire become...