Which of the following laws states that the algebraic sum of the products of resistance and current in each part of any closed circuit is equal to the algebraic sum of the emf's in that closed circuit?

Which of the following statements correctly states the Law of Conservation of Mechanical Energy?

What is the approximate energy associated with big bang?

Consider that a sample of 238U92 is undergoing o—decay. Its half-life is 4.5 x109 years. Find the activity 0f 1 g sample of 238U92.

Which of the following options is the correct frequency band for FM broadcast in India?

Two parallel wires are placed at a distance of 10 cm apart. The length of each of these wires is 5 m and they carry equal currents along the same direction. Find the current through the conductors, if they experience a mutually attractive force of 4.9 x104 N.

The cosmic rays deflected most by earth's magnetic field are above the _________.

Polycythemia results in _______.

The blueness of the daytime sky is due mostly to light _______.

Organisms that are poikilothermic _______.

Regarding size radio waves have the _________ wavelength compared to the other types of ems.