What is the focal length of a convex lens, Q. What is the focal length of a...

Q. What is the focal length of a convex lens of focal length 30 cm in contact with a Concave lens of focal length 20 cm ? Is the system a converging or a diverging lens? Ignore

Communication physics, In a transmitter the final stage class C amplified ...

In a transmitter the final stage class C amplified with 18V DC supply calculate what equivalent Road the transistor to an antenna with 50ohm load impedance design and draw an L n

Determine the phase angle of the impedance, A transformer has 600 primary t...

A transformer has 600 primary turns and 150 secondary turns. The primary and secondary resistances are 0.25 and 0.01 respectively and the corresponding leakage reactances are 1.0 a

Forces and nature,

Explain shifting pendulums, Explain Shifting pendulums?? Get two soda w...

Explain Shifting pendulums?? Get two soda water bottles that are exactly the similar size. Fill them with water and cork tightly. Place a rod across the back of two chairs. Sus

Explain unit newton, NEWTON ? "The force which forms an acceleration of 1 m...

NEWTON ? "The force which forms an acceleration of 1 ms-2 in a mass of 1 kg". It is represented by N.

Determine the angle of incidence, A ray of light XY strikes a surface of a ...

A ray of light XY strikes a surface of a mirror ABCD at point P. a)  Determine the path of the incident ray X-Y-P and the reflected ray P-Z and show this path in all views. (Hin

Define neutron, Neutron is a fundamental particle which is necessary consti...

Neutron is a fundamental particle which is necessary constituent of all nuclei except that of hydrogen molecule. It was discovered by Chadwick. (1) The charge of neutron: It is

Radiation, What is radiation

What is radiation

Explain rotor, ROTOR:  (i) squirrel -cage rotor (ii) phase-wound or ...

ROTOR:  (i) squirrel -cage rotor (ii) phase-wound or wound-rotor 90% of Induction Motor are squirrel cage type due to this type of rotor has a easiest and the most rugged