Is Boiling Water Conduction Or Convection
Boiling water is both conduction and convection. Heat from the heat source is transferred to the water from the bottom... View Article
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What Is The Principle Of Impulse And Momentum
The impulse-momentum theorem states that the change in momentum of an object equals the impulse applied to it. The impulse-momentum... View Article
Why Shunt Is Connected In Parallel To Galvanometer
A shunt resistance is connected in parallel to the galvanometer so as to keep the resistance low. Such low resistance... View Article
Do Semiconductors Conduct Heat And Electricity
Semiconductors are materials that act as insulators at low temperatures, and at high temperatures they conduct both heat and electricity.
What Is The Doppler Effect Redshift
Doppler shift is the apparent change in the pitch of sound. Light from distant stars and galaxies is shifted in... View Article
What Causes Earths Electric Field
The flowing liquid metal in the outer core of the planet generates electric current. The rotation of Earth on its... View Article
Why Does The Galvanometer Deflect In The Opposite Direction
When the magnet is moved away from the coil, the galvanometer shows deflection in the opposite direction indicating that the... View Article
What Is The Purpose Of Coulombs Law
Coulomb’s law signifies the inverse square dependence of electric force. The law is also used in the derivations of Gauss’... View Article
How Do You Calculate The Electric Field Between Two Charges
Each charge will have its own electric field and both these fields influence each other. The net electric field between... View Article
How Do You Know If A Spring Obeys Hookes Law
To know if the given spring obeys Hooke’s law or not, record each stretching force in Newtons and the corresponding... View Article
What Is Difference Between Wave And Oscillation
When a wave propagates through a medium, the particles of the medium start vibrating and this vibration is known as... View Article
What Metals Are Used In Semiconductors
Materials such as silicon (Si), germanium (Ge) and gallium arsenide (GaAs) whose electrical properties lie somewhere between that of an... View Article
How Much Electricity Does Electrolysis Of Water Use
The energy required to split water into hydrogen and oxygen by electrolysis is 260 kJ per mole of water.
Can An Electric Field Exist In Empty Space
Yes, according to Maxwell’s equations an electric field exists in empty space.
Why Is A Dc Current Used In Electrolysis
Direct current deposits anions in the anode and cations in the cathode. Incase of an alternating current, the current would... View Article
What Happens When Voltage Is Increased During Electrolysis
A higher voltage applied to the cell indicates that the cathode will have more energy to carry out reduction similarly,... View Article
What Is A High Modulus Of Elasticity
The modulus of elasticity or Young’s modulus is the measure of the stiffness fof an object. Diamond has a high... View Article
Why Are Clockwise Moments Considered Negative
The direction of the moment depends upon the axis of rotation with respect to which you are measuring the turning... View Article
Why Do We Use Momentum
Momentum is a vector quanitity which has both magnitude and direction. Because momentum has direction, it can be used to... View Article
What Is A Positive Or Negative Charge
Electric Charge is the property of subatomic particles that causes it to experience a force when placed in an electromagnetic... View Article
