How does an electric field produce a magnetic field? How do coils impact the strength of a magnetic field? How to find electric field from magnetic field? What creates the magnetic field in an electromagnet? How do you calculate magnetic fields?
What does the magnetism in an MRI help accomplish? Where is the magnetism strongest on a magnet? What affects magnetic field strength? What do magnetic field lines represent? What does it mean to say that momentum is conserved? What affects the strength of a magnetic field?
What Uses an Electromagnet to Measure Electric Current? A galvanometer is a measuring instrument that uses an electromagnet to measure electric current. A galvanometer is an absolute instrument; it measures the electric current in terms of a tangent of deflection angle. A galvanometer can measure ...
What affects the brightness of a bulb current or voltage? What are three ways in which voltage can be induced in a wire? State two ways by which the strength of an electromagnet can be increased. What are the uses of each electromagnet wave?
Explain why a soft-iron core increases the strength of an electromagnet. Explain how and why the ferromagnetic domains formed. Draw a typical B-H loop and describe the different magnetization processes that lead to the formation of the...
State two ways by which the strength of an electromagnet can be increased. What energy conversion does take place in a generator when it in use? What energy conversion does take place during the working of a dc current? How is a magnetic field created? In self-induction how can it's own...
What affects the strength of a magnetic field? What can produce magnetic fields? Why an electron does not fall into the nucleus of the atom? What is the principle of nuclear magnetic resonance? What generates electromagnetic radiation? What helps protons stay together in the nucleus? Why does ...
concrete depends upon the grade of steel and concrete used. Answer and Explanation:1 Timber: It can be used as a structural member only on the condition when the load applied is less in comparison to steel and reinforced concrete. It... ...
State two ways by which the strength of an electromagnet can be increased. How is AC electrical power generated? What are the currents of I1 and I2 as well as their direction? Name the transformer used in the (a) power generating station (b) power sub station. State the function of ea...
How does the Sun have a magnetic field? What creates Earth's strong dipole magnetic field? What creates a magnetic force? What determines the strength of a magnetic field? What creates the magnetic field in an electromagnet? What affects the strength of a magnetic field? What affects magnetic...