12th Class Physics MCQS Electrostatics Online Test 7

the-electric-flux-through-closed-surface-depends-upon-3-a_-_charge-and-medium,the-electrons-in-one-coulomb-charge-is-equal-to-3-a_-_1-6-x-10-3-csup-3-e-19-3-c-2-fsup-3-e,the-electrostatic-between-two-charges-is-42-n-if-we-place-dielectric-e-3-csub-3-er-3-c-2-fsub-3-e-3-d-2-1-between-the-charges-then-the-force-become-equal-to-3-a_-_20,the-electrostatic-force-between-two-charges-is-42-n-if-we-place-a-dielectric-of-e-3-csub-3-er-3-c-2-fsub-3-e-3-d-2-1-between-the-charges-then-the-force-become-equal-to-3-a_-_20-n,the-electrostatic-force-of-repulsion-between-two-electrons-at-a-distance-1-m-is-3-a_-_2-3-c-3-9710-3-csup-3-e-28-3-c-2-fsup-3-en,the-electrostatic-force-of-repulsion-between-two-electrons-at-a-distance-1-m-is_-_2-3-x-10-3-csup-3-e-28-3-c-2-fsup-3-e-n,the-fact-that-electric-field-exist-in-space-around-an-electrical-charge-is-3-a_-_electrical-property,the-force-between-two-point-charges-separateby-air-in-4-n-when-separateby-medium-of-relative-permittivity-2-2-c-the-force-between-them-become-3-a_-_2,the-force-between-two-similar-unit-charges-placeone-meter-apart-in-air-is-3-a_-_9-c-3-9710-3-csup-3-e-9-3-c-2-fsup-3-en,the-force-on-neutron-due-to-a-field-of-10-3-csup-3-e-2-3-c-2-fsup-3-en-2-fc-is_-_zero,the-force-on-neutron-due-to-a-field-of-102-n-2-fc-is-3-a_-_zero,the-heart-of-a-photo-copy-machine-is-a-drum-which-is-made-of-3-a_-_aluminum,the-negative-of-the-potential-gradient-is-3-a_-_electric-field-intensity,the-negative-of-the-potential-gradient-is-3-a_-_electrostatic-force,the-net-charge-on-a-capacitor-28-each-plate-having-magnitude-of-charge-of-charge-q-29-is-3-a_-_zero,the-number-of-electrons-in-one-coulomb-charge-is-equal-to-3-a_-_1-6-x-10-3-csup-3-e-19-3-c-2-fsup-3-e,the-number-of-electrons-in-one-coulomb-charge-is-equal-to-3-a_-_6-25-c-3-9710-3-csup-3-e-18-3-c-2-fsup-3-e,the-photo-copying-process-is-called-3-a_-_xerography,the-product-of-resistance-and-capacitor-3-a_-_time,the-product-of-resistance-and-capacitor_-_time,the-toner-of-printer-is-given-3-a_-_negative-charge,when-a-dielectric-is-placed-between-two-charges-2-c-then-coulomb-27-s-force-will-be-3-a_-_increased