The magnitude of the magnetic field at a point in space, measured in Teslas (T).

A physical constant that relates the amount of current to the strength of the magnetic field produced; $\mu_0 = 4\pi × 10^{-7} T⋅m/A$.

The rate of flow of electric charge, measured in Amperes (A).

A magnetic field generated by a source separate from the current-carrying wire being considered.

The force exerted on a current-carrying wire when it is placed in a magnetic field, measured in Newtons (N).

1. Use Right-Hand Rule #1 (RHR1). 2. Point your thumb in the direction of the conventional current. 3. Your fingers will curl in the direction of the magnetic field.

1. Identify the current (I), length ($\ell$), magnetic field (B), and angle ($\theta$). 2. Use the formula $F_{B}=I \ell B \sin \theta$. 3. Calculate the magnitude of the force. 4. Use RHR2 to determine the direction of the force.

1. Calculate the magnetic field due to each wire individually. 2. Determine the direction of each magnetic field. 3. Add the magnetic fields as vectors to find the net magnetic field.

1. Use Right-Hand Rule #2 (RHR2). 2. Point your fingers in the direction of the current. 3. Orient your palm to face the direction of the magnetic field. 4. Your extended thumb will point in the direction of the magnetic force.

1. Identify the current (I) and the distance (r) from the wire. 2. Use the formula $B=\frac{\mu_{0}}{2 \pi} \frac{I}{r}$. 3. Plug in the values and calculate B.

RHR1: Determines the direction of the magnetic field around a current-carrying wire. Thumb points in current direction, fingers curl in field direction. | RHR2: Determines the direction of the force on a current-carrying wire in a magnetic field. Fingers point in current direction, palm faces magnetic field, thumb points in force direction.

Magnetic Field Strength: Depends on current (I) and distance (r). $B=\frac{\mu_{0}}{2 \pi} \frac{I}{r}$. | Magnetic Force: Depends on current (I), length ($\ell$), magnetic field (B), and angle ($\theta$). $F_{B}=I \ell B \sin \theta$.