Four different capacitors are connected in series then
In series, charge on each capacitor is same.
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Figure below shows an unbalanced Wheatstone bridge. What is the direction of conventional current between B and D?
Answer: The potential drop across AD is less than that across AB. So, the potential of D is higher than... View Article
Which among the following is a device that converts one form of energy into another :
Transducer is a device that converts a signal in one form of energy into another form. An electric transducer used... View Article
Atomic mass number of an element is 232 and its atomic number is 90. The end products of this radioactive element are an isotope of lead (Atomic mass 208 and atomic number 82). The number of α and β-particle emitted is:
Change in A = 24, hence 6 α – particles are emitted . change in Z = 8 = 6... View Article
The purpose of moderator in a nuclear reactor is
A neutron released by fission normally moves at almost the speed of light. Moving at this speed is chance of... View Article
Which of the following is not a valid option for modulation of waves?
velocity modulation The three types of modulations are : 1.Amplitude modulation 2.Frequency modulation 3.Phase modulation
Preferred value of modulation index in Amplitude modulation system is
A moderate value of modulation index is desirable so as to avoid distortion in the wave form.
What is the binding energy of the hydrogen nucleus?
Hydrogrn nucleus contains only one proton.
Which of the following statements is true for nuclear forces?
Nuclear forces operate only within the nucleus.
What amount of energy is released in the fission of 95U235 ?
Fission of U235 releases 200 MeV of energy.
A fusion bomb involves:
Hydrogen atom join together to form helium.
In a nuclear reactor:
Fission of U235 occurs with slow neutrons and the moderator slows down the neutrons.
The ratio of the speed of the electron in the ground state of hydrogen atom to the speed of light is
The ratio of the speed of an electron in the ground state of H atom to speed of light is... View Article
Find the ratio of volume of atom to volume of nucleus
Answer: To find the ratio of the volume of an atom to the volume of the nucleus. Let us consider... View Article
The binding energy of a nucleus is a measure of its
Binding energy of a nucleus may be defined as the amount of energy needed to separate a nucleus into its... View Article
The number of electrons in an atom X of atomic number Z and mass number A is
In a neutral atom, the number of electrons orbiting the nucleus is equal to the atomic number Z.
The nuclide 92U238 has all the following except
The nuclide (nucleus) consists of neutrons and protons (when combined called nucleons). Thus, No. of protons in 92U238 = 92,... View Article
Binding energy per nucleon is the ratio of
It is the ratio of the binding energy of a nucleus to the number of nucleons in that nucleus.
The atomic number Z of the nucleus is
The number of protons in a nucleus is called the atomic number (A).
What does the term open circuit mean?
The term open circuit means that no current flows through the cell. Here, the continuity of the circuit is broken... View Article
