Two balloons are filled, one with pure He gas and the other by air, respectively. If the pressure and temperature of these balloons are same, then the number of molecules per unit volume

Question:

Options :

(a) More in the He filled balloon
(b) Same in both balloons
c) More in air filled balloon
(d) In the ratio of 1: 4

Answer :

(b) Same in both balloons

Answer Steps :

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An alternating voltage source is connected in series with a resistance R and an inductance L. If the potential drop across the resistance is 200 V and across the inductance is 150 V, then the applied voltage is:

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