physics

A battery of e.m.f 10V an internal resistance 2Ω is connected to a resistance of 6Ω. Calculate the p.d?

A. 8.75V B. 7.50V C. 5V D. 2.50V E. 1.25V Correct Answer: Option B - 7.50V

5 years ago

Which of the following scientists postulated that moving particles exhibit wave properties?

A. Niels Bohr B. Ernest Rutherford C. Werner Heisenberg D. Louis de Broglie E. Erwin Schroedinger Correct Answer: Option D…

5 years ago

Which of the following is not a part of an A.C generator?

A. Carbon brushes B. Slip rings C. Commutator D. Field magnet E. Armature Correct Answer: Option C - Commutator

5 years ago

Beta particles are?

A. electrons B. protons C. neutrons D. helium nuclei E. tritium nuclei Correct Answer: Option A - electrons

5 years ago

Which of the following is a stringed instrument?

A. Flute B. Trumpet C. Piano D. Drum E. Organ Correct Answer: Option C - Piano

5 years ago

The electrical energy supplied by a Leclanche cell is obtained from the?

A. Nuclear energy B. Magnetic energy C. Solar energy D. Chemical energy E. Mechanical energy Correct Answer: Option D -…

5 years ago

Which of the following has the shortest wavelength?

A. Infrared rays B. Gamma rays C. Ultraviolet rays D. Radio waves E. Visible light Correct Answer: Option B -…

5 years ago