12th Class Physics MCQS Current Electricity Online Test 2

3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-the-moderator-used-in-a-nuclear-reactor-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-cadmium-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-the-negative-of-the-potential-gradient-is-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-electric-field-intensity-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-the-output-of-two-input-or-gate-is-zero-only-when-its-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-both-inputs-are-zero-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-the-reactance-of-capacitor-is-equal-to-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-5-c-5-cfrac-7-b-1-7-d-7-b-5-c-5-comega-c-7-d-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-which-material-should-be-inserted-between-the-plates-of-a-capacitor-in-order-to-increase-its-capacitance-3-f-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-mica-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-ea-semiconductor-will-behave-as-an-insulator-at-temperature-3-a-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-tahoma-22-2-c-22-sans-serif-22-27-3-e-0-k-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-when-a-metal-detector-comes-close-to-a-metal-then-its-frequency-3-a-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-increases-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-which-expression-for-mutual-inductance-is-correct-3-f-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-m-3-d-5-c-5-cfrac-7-bn-7-bs-7-d-5-c-5-c-phi-7-bs-7-d-7-d-7-bi-7-bp-7-d-7-d-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-which-one-has-the-least-resistance-3-f-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-ammeter-3-c-2-fspan-3-e-3-c-2-fp-3-e,3-cp-3-e-no-inertial-frame-of-reference-is-prefferd-over-another-inertial-frame-3-a-3-c-2-fp-3-e_-_3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-3-cspan-style-3-d-27-font-family-3-a-22-arial-22-2-c-22-sans-serif-22-27-3-e-true-3-c-2-fspan-3-e-3-c-2-fspan-3-e-3-c-2-fp-3-e,a-battery-more-a-charge-of-40-c-around-a-circuit-at-constant-rate-in-20-sec-the-current-will-be-3-a_-_0-083333333,a-certain-wire-has-a-resistance-r-2-c-the-resistivity-of-an-other-wire-of-an-identical-material-with-the-first-2-c-except-for-twice-its-diameter-is-3-a_-_4-r,a-charged-conductor-has-charge-on-its_-_inner-surface,a-of-current-flows-through-a-conductor-in-2-minutes-2-c-charge-in-the-wire-is-3-a_-_600-c,a-rheostat-can-operate-as-3-a_-_potential-divider,a-wire-of-uniform-area-of-cross-section-a-2-c-length-l-and-resistance-r-is-cut-into-two-equal-parts-the-resistivity-of-each-part_-_remains-the-same,ampere-second-stands-for-the-unit-of-3-a_-_charge,an-ideal-current-source-shall-have-resistance-3-a_-_zero,by-increasing-the-temperature-of-conductor-2-c-the-flow-rate-of-charges-3-a_-_decreases,colour-codes-are-used-to-calculate-the-3-a_-_numercial-value-of-resistance