MSRX StoryQuest

Electricity & Magnetism

Current, voltage, and the fields they drag along with them.

M009Explorer

Power networks

P=VIP = VI

a field hospital running on a single generator line

Current splitterEnter mission M010Explorer

Series circuits

RT=R1+R2R_T = R_1 + R_2

a signal repeater that keeps burning out its driver

Current splitterEnter mission M011Explorer

Parallel circuits

1RT=1R1+1R2\frac{1}{R_T} = \frac{1}{R_1} + \frac{1}{R_2}

a rover heater bank drawing from one battery bus

Current splitterEnter mission M012Explorer

Voltage loops

∑V=0\sum V = 0

a battery bank feeding a comms mast

Current splitterEnter mission M013Explorer

Magnetic flux

ΦB=BA\Phi_B = BA

an induction charging pad under a hospital trolley

Field coilEnter mission M014Explorer

Electromagnet strength

B∝NIB \propto NI

a scrapyard lifting magnet that keeps dropping its load

Field coilEnter mission M035Explorer

Electromagnet turns

B∝NIB \propto NI

a scrapyard lifting magnet being rewound after a burnout

Field coilEnter mission M036Challenge

Transformer turns ratio

VsVp=NsNp\frac{V_s}{V_p} = \frac{N_s}{N_p}

a village transformer being rewound to feed a new pump house

Field coilEnter mission M052Explorer

Resistors in series

RT=R1+R2R_T = R_1 + R_2

a lab bench dropping a supply down to a safe test voltage

Equation balanceEnter mission M063Explorer

Resistance along a wire

R=ρLAR = \rho \frac{L}{A}

a school laboratory winding a heating element to a specified resistance

Particle chamberEnter mission