Whats the answer? and can you explain what potential drop is at other resistors?

Science & Mathematics by Anonymous 2018-06-29 23:02:50

Social Science

3 answers

Anonymous

The answer is C)...infact : VL+VM = 20 V therefore VM = 20-7 = 13 V VL+VN+VQ = 20V therefore VQ = 20-(7+4) = 9 V VP+VQ = 20 V therefore VP = 20-9 = 11V
Anonymous

Potential drop across M = 20 - potential drop across L = 20 - 7 = 13 V Potential drop across P = potential drop across L + N = 7+4 = 11 V Potential drop across Q = 20 - potential drop across P = 20 - 11 = 9 V Answer is C
Anonymous

Sum of voltages across resistors in a loop is zero.