A cell of internal resistance 2 π supplies current to a 6 π resistor. The efficiency of the cell is

Similar Questions

A lead bullet of mass 0.05kg is fired with a velocity of 200ms$^{-1}$ into a lead block of mass 0....

Three resistors, with substances 250$\Omega$, 500$\Omega$ and 1k$\Omega$ are connected in seri...

Which of the following statements about Gamma radiation is correct? Gamma radiation can ...

What is the density of a fuel of relative density 0.72? [Density of water = 1000kg m-3]...

An insulated rod when rubbed with a material acquires ...

Two liquids L1 and L2 are contained in a U - tube. The height and the density of L1 are 8 cm and 103...

A moving-coil meter with an internal resistance of 100Ω has a full-scale deflection when a cur...

A pressure cooker saves both time and fuel in cooking because inside the cooker, the ...

40m3 of liquid is mixed with 60m3 of another liquid Q. If the density of P and Q are 1.00kgm-3 and 1...

A student found out from a simple pendulum experiment that 20 oscillations were completed in 38 seco...