on networks play value

A source of emf is connected across one pair of opposite junctions (A and C), and a galvanometer G across the other opposite pair (B and D). The key K 1 is closed first and then K 2 . The value of R is varied till the galvanometer shows no deflection, i.e., I g = 0. Then, the bridge is..

In a club, the number of people playing chess is 5 out of 15 in one room and 25 out of 100 in another room. Find the test value and verify if the proportions differ significantly at 90% confidence level. => 1.645, the proportions do not differ or 0.229, the proportions do not di..

A researcher thinks that music affects concentration. He randomly places 18 college students into three groups. All groups are given a reading comprehension task. Favourite music is played to each group in a different mode, soft, moderate and loud. The reading comprehension scores are tab..

(milch) animals like cows, buffaloes and goats. Eggs are obtained from egg laying birds like fowl and duck. Meat is obtained from fowl, cow, sheep, goat and pig. Fish are either fresh water or marine and include crabs, shrimps and prawns. To meet the ever-increasing demand of food to feed the incre..

Milk is obtained from milk producing (milch) animals like cows, buffaloes and goats. Eggs are obtained from egg-laying birds like fowl and duck. Meat is obtained from fowl, cow, sheep, goat and pig. Fish are either fresh water or marine and include crabs, shrimps and prawns. To meet the ever-i..

The 'modem' is a contraction of the term modulator-demodulator. It is a conversion that facilitates the transmission and reception of the data over the public switched telephone network (PSTN). The data of interest may be digital signals generated by computers or service providers. In suc..

pH plays a very significant role in biochemical reactions. For example, the blood in our bodies is buffered at a pH value of 7.36-7.42 due to bicarbonate - carbonic acid buffer. A mere change of 0.2 pH units can cause death. Certain enzymes get activated only at certain definit..

) the network of plant roots firmly binding the soil ii) the leaves reduce the force of the rain drops to keep soil intact iii) the trees decrease the velocity of the wind to prevent dislodging of soil particles. iv) the shade of the trees keeps the soil cool and moist in summer to offset..

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