12th Class Physics MCQS Electromagnetism Online Test 2

3-cp-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-ampere-second-stands-for-the-unit-of-3-a-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-charge-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-by-winding-the-coil-c-2-a-0-around-a-fess-magnetic-core-2-c-self-induction-3-a-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-will-increase-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-commutator-was-invented-by-3-a-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-william-sturgeon-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-magnetic-effect-of-current-is-used-in-3-c-2-fspan-3-e-3-cspan-style-3-d-22-font-size-3-a-10-0-pt-22-3-e-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-electric-motor-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-step-up-transformer-is-used-to-3-a-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-step-up-a-c-voltage-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-the-substances-in-which-the-atoms-do-not-form-magnetic-dipoles-are-called-3-a-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-crystal-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-the-typical-nuclei-have-diameter-less-than-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-10-3-csup-3-e-14-3-c-2-fsup-3-e-m-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-ea-parallel-plate-capacitor-with-oil-between-the-plate-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-5-c-5-cvarepsilon-r-3-d-2-5-c-5-c-29-3-c-2-fspan-3-e-c-2-a-0-has-a-capacitance-c-if-the-oil-is-removed-then-capacitance-of-capacitor-becomes-3-a-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-c-5-c-5-cover-2-5-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-ea-sensor-of-light-is-3-a-3-c-2-fspan-3-e-3-c-2-fp-3-e_-_3-cp-3-e-light-dependent-resistance-3-c-2-fp-3-e,3-cp-style-3-d-22-text-align-3-ajustify-22-3-e-3-cspan-style-3-d-22-font-size-3-a-11-0-pt-22-3-e-assuming-you-radiating-as-does-a-black-body-at-your-body-temperature-about-37-3-csup-3-eo-c-2-a-0-3-c-2-fsup-3-ec-then-the-radiated-maximum-wavelength-in-3-cspan-class-3-d-22-math-tex-22-3-e-5-c-5-c-28-5-c-5-clambda-7-bmax-7-d-5-c-5-c-29-3-c-2-fspan-3-e-c-2-a-0-is-3-a-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-289-35-5-c-5-c-2-c-5-c-5-cmu-m-5-c-5-c-29-3-c-2-fspan-3-e-3-c-2-fp-3-e,a-battery-is-used-in-3-a_-_ohmmeter,a-charged-particle-enters-in-a-strong-magnetic-field-its-k-e-3-a_-_remain-constant,a-charged-particle-having-charge-e-2-80-98-q-e-2-80-99-is-moving-at-right-angle-to-magnetic-field-the-quantity-which-varies-is-3-a_-_path-of-motion,a-current-carrying-conductor-experiences-maximum-magnetic-force-in-a-uniform-magnetic-field-when-it-is-placed-3-a_-_perpendicular-to-field,a-current-carrying-conductor-is-placed-in-a-uniform-magnetic-field-parallel-to-it-the-magnetic-force-experienced-by-the-conductor-is-3-a_-_f-is-zero,a-current-flowing-towards-the-reader-is-denoted-by-3-a_-_a-dot,a-device-used-for-detectino-of-current-is-called-3-a_-_galvanometer,a-dot-represents-the-direction-of-magnetic-field-3-a_-_out-of-page,a-positive-charge-is-moving-towards-an-observer-the-direction-of-magnetic-induction-will-be-3-a_-_anti-clockwise,torque-is-produced-in-a-current-carrying-coil-when-it-is-placed-in-a-3-a_-_magnetic-field,when-a-charge-is-projected-perpendicular-to-a-uniform-magnetic-field-2-c-its-path-is-3-a_-_circular