PROBLEM 3: Four resistors, R1 = 100 N, R2 = 250 N, R3 = 350 N and R4 = 200 N are connected such that the parallel combination of R, and R2 is connected in series with the parallel combination of R3 and R4. The series-parallel combination is then connected across a 24 V DC power supply. A. Draw the schematic diagram and label the circuit elements. B. Calculate the equivalent resistance of the circuit. (Ans. Req = 198. 7013 N) C. Find the total current of the circuit, the voltage across each resistor and the current through each resistor. Ans: (IT = 0. 1208 A, V1 = 2 = 8. 6275 V, V3 = V4 = 15.3725 V, I1 = 0.0863 A, I2 = 0. 0345 A, I3 = 0.0439 A, I4 = 0.0769 A)

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Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.