Aptitude Test Problems in Physics Science for Everyone by S Krotov ( PDFDrive.com )

90 Aptitude Test Problems in Physics

Determine the mean pressure pn., of elec-

trons on the anode surface of area S.

3.42. A varying voltage is applied to the

clamps AB (Fig. 99) such that the voltage

80 _^049

Fig. 99

across the capacitor plates varies as shown

in Fig. 100.

Plot the time dependence of voltage across

the clamps CD.

U

to 2to 3to^

Fig. 100

3.43. Two batteries of emf 1 and e 2 , a

capacitor of capacitance C, and a resistor

F.g. 101

of resistance R are connected in a circuit as

shown in Fig. 101.