A thyratron tube is basically a controlled gas rectifier. Thyratrons can handle much greater currents than similar hard vacuum tubes since in the ionized gas electron multiplication occurs by collisions of electrons with gas atoms...

It is an excellent activity model for study of the generation of electric current. The generator produces AC/DC current simultaneously when the hand wheel is turned. The generation of the AC/DC voltage is represented by bulbs...

Super enameled copper wire wound on a spool ends supported with circular discs...

A lot of Ranges available are 10mA / 100mA / 500mA / 1A / 2A / 5A etc.  in both AC and DC...

This arrangement helps to draw current when the coil is rotated in the magnetic field and is used to determine the angle of dip...

Ballistic galvanometers are the measuring instruments which are used for measuring the quantity of electric charges obtained from magnetic flux. Its construction is similar to the moving coil galvanometer and it consists of two additional properties. It consists of extremely small electromagnetic damping...

Kit comprises Cell Holder (without Cells)              12 Nos. Bulb Holder, MES, Mounted on Base 20 Nos. Push Key      8 Nos. 2-Way Switch                   ..

An accumulator is an energy storage device: a device which accepts energy, stores energy, and releases energy as needed. ... In general usage in an electrical context, the word accumulator normally refers to a lead–acid battery. Charging instructions printed on the case...

For showing slow AC on an oscilloscope or meter or for demonstrating the use of a dynamo in lighting a lamp. This apparatus has a cycle dynamo mounted on a base. Two 4 mm. socket terminals are provided for the dynamo output, connected in parallel with an M.E.S. lamp holder and 2.5 V bulb...

One Decade     1 0-100nF × 10nF  Two Decades 0-100nF × 10nF 0-1000nF (1µF) × 100nF Total capacitance is 1100nF (or 1.10µF)      Three Decades 0-10nF × 1nF 0-100nF × 10nF 0-1000nF (1µF) × 100nFTotal capacitance is 1110nF (or 1.11µF) Four Decades 4 0-10nF × 1nF ..

The Carey Foster bridge is used for the measurement of very low resistances. This device may also be used to find the small differences between large resistances..

student purpose knowledge:Building simple electric circuits, Circuit diagrams, Conductors and insulators, the effects of any electric current, and how a fuse works...

only for class 4th  to 8th children.in this two battries with a board, small wires and LEDs...

An insulated moulded plastic base has six cups for mercury, with six terminals mounted, diagonal connecting strips and contact arm with insulated handle...

A plated spring strip arm with thumb-press knob, a contact stud, plated connecting strip and a pair of socket terminals, all mounted on a moulded plastic base...