Home › UP Board Class 10 › science › electricity › Three resistors of 5 Ω each are connected in par…
Three resistors of 5 Ω each are connected in parallel. Find R_total.
A15 Ω
B5/3 Ω
C1.5 Ω
D5 Ω
Answer & Solution
Correct answer: B. 5/3 Ω
1/R = 3 × 1/5 = 3/5, so R = 5/3 Ω ≈ 1.67 Ω.
Related questions
If the current through a resistor is doubled, the heat produced in the same time becomes:Two bulbs of 60 W and 100 W are designed for 220 V. Which has higher resistance?How much energy in kWh is consumed by a 1500 W appliance running for 4 hours?A 60 W bulb operates on 240 V. Find the current through it.The SI unit of electric power is:Joule's law of heating states that H equals:Why is nichrome used for the heating element of an electric iron rather than copper?A 12 V battery is connected across two resistors 4 Ω and 8 Ω in series. The current is: