[{"id":227217,"question":"if time constant in RC series circuit is small, then capacitor is charged or discharged.","choices":[{"text":"Slowly","value":"A"},{"text":"Rapidly","value":"B"},{"text":"At constant rate","value":"C"},{"text":"Intermittently","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":227216,"question":"The quantity time constant RC has units of.","choices":[{"text":"Charge","value":"A"},{"text":"Time","value":"B"},{"text":"Capacitance","value":"C"},{"text":"Resistance","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":227215,"question":"The product of resistance and capacitanc eis.","choices":[{"text":"Velocity","value":"A"},{"text":"Force","value":"B"},{"text":"Acceleration","value":"C"},{"text":"Time","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":227214,"question":"If the potential difference across two plates of capacitor is doubled, then energy stored in it will be.","choices":[{"text":"Two times","value":"A"},{"text":"Eight times","value":"B"},{"text":"Four times","value":"C"},{"text":"Remain same","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":227213,"question":"When some di electric is inserted between the plates of a capacitor, then capacitance.","choices":[{"text":"Decreases","value":"A"},{"text":"Increases","value":"B"},{"text":"Becomes zero","value":"C"},{"text":"Becomes infinity","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":227212,"question":"The electric potential at a mid point in an electric dipole is.","choices":[{"text":"0 V","value":"A"},{"text":"0.5 V","value":"B"},{"text":"1 V","value":"C"},{"text":"1.5 V","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":227211,"question":"Due to polarization, electric field E.","choices":[{"text":"Increase","value":"A"},{"text":"Decrease","value":"B"},{"text":"First increases then decreases","value":"C"},{"text":"Remain same","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":227210,"question":"The capacitance of a capacitor depends upon.","choices":[{"text":"Thickness of plates","value":"A"},{"text":"Charges on the plates","value":"B"},{"text":"Voltage applied","value":"C"},{"text":"Geometry of the capacitor","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":227209,"question":"Presence of dielectric between two charges always.","choices":[{"text":"Reduces the electric force","value":"A"},{"text":"Enhance the electric force","value":"B"},{"text":"Does not effect electric force","value":"C"},{"text":"Double the electric force","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":227208,"question":"Capacitance of a capacitor does not depend upon.","choices":[{"text":"Distance between plates","value":"A"},{"text":"Area of plates","value":"B"},{"text":"Electric field between plates","value":"C"},{"text":"Medium between plates","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":227207,"question":"If the separation between the plates of a capacitor is doubled then its capacitance become.","choices":[{"text":"Double","value":"A"},{"text":"Half","value":"B"},{"text":"One fourth","value":"C"},{"text":"Three times","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":227206,"question":"The net charge on a capacitor magnitude of charge of charge","choices":[{"text":"Infinity","value":"A"},{"text":"2 q","value":"B"},{"text":"Q/2","value":"C"},{"text":"Zero","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":227205,"question":"Which material should be inserted between the plates of a capacitor in order to increase its capacitance.","choices":[{"text":"Copper","value":"A"},{"text":"Mica","value":"B"},{"text":"Iron","value":"C"},{"text":"Tin","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":227204,"question":"Coulomb /volt is called.","choices":[{"text":"Farad","value":"A"},{"text":"Ampere","value":"B"},{"text":"Joule","value":"C"},{"text":"Henry","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":227203,"question":"A capacitor is perfect in insulator for.","choices":[{"text":"Alternating current","value":"A"},{"text":"Sparking current","value":"B"},{"text":"Eddy current","value":"C"},{"text":"Direct current","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":227202,"question":"Charge carriers in electrolytes are.","choices":[{"text":"Protons","value":"A"},{"text":"Electrons","value":"B"},{"text":"Holes","value":"C"},{"text":"Positive and Negative ions","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":227201,"question":"A capacitor stores energy in the form of.","choices":[{"text":"Magnetic field","value":"A"},{"text":"Heat energy","value":"B"},{"text":"Electrical energy","value":"C"},{"text":"Mechanical energy","value":"D"},{"value":"E"}],"correctAnswer":3}]