Careful measurement of the electric field at the surface of a black box indicates that the net outwa

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Careful measurement of the electric field at the surface of a black box indicates that the net outward flux through the surface of the box is 8.0 x 10³ Nm²/C. (a) What is the net charge inside the box? (b) If the net outward flux through the surface of the box were zero, could you conclude that there were no charges inside the box? Why or Why not?
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Thanks you sir very nice explanation keep it up😊

thBoardAspirant
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Ye aaj ka last question mai kal is chapter ko complete krunga

GauravGamer
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Sir but I have doubt in 2nd conclusion ....sir NCERT ke last derivation me ( Field inside a spherical shell) me charge inside spherical zero th. Teacher ne bola th ke Electric field conductor ke inside nhi hoti as inside koi charge nhi hota ....to APP KEH RAHE HO KE Equal MAGNITUDE KE CHARGE HO SKTE H

Maaz