If the voltage drop across individual resistors R1, R2  and R3  connected to a battery are 10 V, 20 V and 30 V respectively. Then the total battery voltage is:

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  1. 20 V
  2. 30 V
  3. 60 V
  4. Zero

Answer (Detailed Solution Below)

Option 3 : 60 V
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Detailed Solution

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Let the three Resistors, R1, R2, R3 having voltage drops 10 V, 20 V, 30 V respectively are connected to battery of potential difference ‘V’ volt as shown in figure given below:

Now by using KVL in above circuit diagram, we get

V = IR1 + IR2 + IR3 = 10 + 20 + 30

V = 60 Volts

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