A 9.0 V battery is connected to a 5.5 Ω resistor as shown in the circuit below. Calculate the current (units: A) through the resistor. NOTE: Watch correct use of rounding and significant figures Enter numerical answer, do not use scientific notation Do not enter units with the answer
Two resistors, R1 = 3.65 Ω and R2 = 5.59 Ω , are connected i…
Two resistors, R1 = 3.65 Ω and R2 = 5.59 Ω , are connected in series to a battery with an EMF of 24.0 V and negligible internal resistance. Find the current I1 through R1.
A small plastic sphere of mass (m) has a charge q = 1.5 C. A…
A small plastic sphere of mass (m) has a charge q = 1.5 C. An upward pointing uniform electric field of magnitude 4.5 × 10-3 N/C supports and balances the weight of the sphere. Find the mass (m) of the sphere.
What is the electric potential due to a 5.5 μC point charge…
What is the electric potential due to a 5.5 μC point charge at a distance of 0.95 cm, assuming the potential is zero as the distance approaches infinity.
Calculate the power used by a circuit that has a resistance…
Calculate the power used by a circuit that has a resistance of 22.2 Ω and draws a current of 0.345 A.
Two resistors, R1 = 3.65 Ω and R2 = 5.59 Ω , are connected i…
Two resistors, R1 = 3.65 Ω and R2 = 5.59 Ω , are connected in series to a battery with an EMF of 24.0 V and negligible internal resistance. Find the current I1 through R1.
Two electrons a fixed distance apart, exert an electric forc…
Two electrons a fixed distance apart, exert an electric force of 1.00 × 10-25 N on each other. What is the distance between these two point charges?
An electromagnetic wave traveling in vacuum has a magnetic f…
An electromagnetic wave traveling in vacuum has a magnetic field with an amplitude of 7.7 × 10-9 V/m. What is the amplitude of the electric field of this wave (units: V/m)? NOTE: Watch correct use of rounding and significant figures Enter numerical answer, do not use scientific notation Do not enter units with the answer
A 9.0 V battery is connected to a 3.5 Ω resistor as shown in…
A 9.0 V battery is connected to a 3.5 Ω resistor as shown in the circuit below. Calculate the current (units: A) through the resistor. NOTE: Watch correct use of rounding and significant figures Enter numerical answer, do not use scientific notation Do not enter units with the answer
A small plastic sphere of mass (m) has a charge q = 2.5 C. A…
A small plastic sphere of mass (m) has a charge q = 2.5 C. An upward pointing uniform electric field of magnitude 5.5 × 10-3 N/C supports and balances the weight of the sphere. Find the mass (m) of the sphere.