Out of the following, which one is not a source of electrical energy?
Out of the following, which one is not a source of electrical energy?
The insulant between the two plates of a capacitor is called _______
The insulant between the two plates of a capacitor is called _______
Practically, if 10kJ of energy is supplied to a device, how much energy will the device give back?
Practically, if 10kJ of energy is supplied to a device, how much energy will the device give back?
Can we apply Kirchhoff’s law to magnetic circuits?
Can we apply Kirchhoff’s law to magnetic circuits?
Calculate the MMF when the magnetic flux is 5Wb and the reluctance is 3A/Wb.
Calculate the MMF when the magnetic flux is 5Wb and the reluctance is 3A/Wb.
Electric field originates at __________
Electric field originates at __________
When capacitors are connected in series _______________ Varies
When capacitors are connected in series _______________ Varies
Which among the following is an expression for energy?
Which among the following is an expression for energy?
Ohm’s law for magnetic circuits is _________
Ohm’s law for magnetic circuits is _________
Electric field terminates at ________
Electric field terminates at ________
When capacitors are connected in series ___________ remains the same.
When capacitors are connected in series ___________ remains the same.
The conventional direction of electric field is ________
The conventional direction of electric field is ________
In uniform fields, all points have ________ field strength.
In uniform fields, all points have ________ field strength.
A battery converts___________
A battery converts___________
A field that spreads outwards in all directions is __________
A field that spreads outwards in all directions is __________
Four 10F capacitors are connected in series, calculate the equivalent capacitance.
Four 10F capacitors are connected in series, calculate the equivalent capacitance.
When capacitors are connected in series, the equivalent capacitance is ___________ each individual capacitance.
When capacitors are connected in series, the equivalent capacitance is ___________ each individual capacitance.
Which, among the following, is the field where electric charge experiences a force?
Which, among the following, is the field where electric charge experiences a force?
Which among the following is a unit for electrical energy?
Which among the following is a unit for electrical energy?
What is the total capacitance when two capacitors C1 and C2 are connected in series?
What is the total capacitance when two capacitors C1 and C2 are connected in series?
N capacitors having capacitance C are connected in series, calculate the equivalent capacitance.
N capacitors having capacitance C are connected in series, calculate the equivalent capacitance.
Which among the following statements is true with regard to electric field lines?
Which among the following statements is true with regard to electric field lines?
A bulb has a power of 200W. What is the energy dissipated by it in 5 minutes?
A bulb has a power of 200W. What is the energy dissipated by it in 5 minutes?
What is MMF?
What is MMF?
A ring having a cross-sectional area of 500 mm2, a circumference of 400 mm and ϕ=800microWb has a coil of 200 turns wound around it. Calculate the flux density of the ring.
A ring having a cross-sectional area of 500 mm2, a circumference of 400 mm and ϕ=800microWb has a coil of 200 turns wound around it. Calculate the flux density of the ring.