Examlex
The primary of a 3:1 step-up transformer is connected to a source and the secondary is connected to a resistor R.The power dissipated by R in this situation is P.If R is connected directly to the source it will dissipate a power of:
Synapses
The junctions through which neurons communicate with each other, using chemical or electrical signals.
Neuron Branches
Dendrites and axons, which are extensions of the neuron that receive and send messages to and from other neurons.
Dendrite
Extensions of a neuron that receive signals from other neurons and convey this information to the cell body.
Cochlea
The cochlea is a spiral-shaped, fluid-filled structure in the inner ear that is responsible for converting sound vibrations into nerve impulses.
Q3: Binoculars and microscopes are frequently made with
Q13: A monochromatic light source illuminates a double
Q17: Two large parallel conducting plates are separated
Q20: Consider (I) the law of reflection and
Q20: A uniform magnetic field is in the
Q24: Light from a point source X contains
Q43: The mechanical equivalent of heat is
Q47: Monochromatic plane waves of light are incident
Q52: An unmagnetized steel bar is placed inside
Q71: A magnet moves inside a coil. Consider