Choose the structure below that is the most stable.

Two resistors, R1 = 4.56 Ω and R2 = 6.48 Ω , are connected in series to a battery with an EMF of 12.0 V and negligible internal resistance. Find the current I1 through R1.

An electron is located on the x-axis at x0 = 1.55 × 10−6 m. Find the magnitude of the electric field at x = 4.07 × 10−6 m on the x-axis due to this electron.

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

Light that has a frequency of 5.84 × 1014 Hz, has a wavelength (units: nm) of 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 capacitor has a capacitance of 80.0 μF. If you want to store 155 J of electric potential energy in this capacitor, what potential difference do you need to apply to the plates?

A small plastic sphere of mass (m) has a charge q = 2.0 C. An upward pointing uniform electric field of magnitude 5.0 × 10-3 N/C supports and balances the weight of the sphere. Find the mass (m) of the sphere.

A copper ring of radius R lies in a uniform magnetic pointed into the screen, as shown below. The field is uniformly decreasing in magnitude.       The induced current in the ring is  

Two long parallel wires are 0.30 m apart and carry currents of 5.0 A (wire 1) and 8.0 A (wire 2) in the same directions. The magnitude of the force per unit length exerted by wire 1 on wire 2 is 2.7 × 10-5 N/m. Indicate if the force is; 

Which of the following indicates sinus arrhythmia?