电循环

Complete equipment for recording charging and discharging curves for capacitors at individual points. Includes 12 V AC plug-in power supply. The charger and discharger consists of three units in a single housing: a voltage comparator, a digital ... 更多

它具有金属柄，上面带有凸边螺纹。在它的丙烯酸杆上带有4毫米的钻孔，通常用于电线的绝缘固定器，如在光具座上进行实验操作时需要。 直径:10 mm 长度：100 mm 更多

Replica of Alessandro Volta’s apparatus consisting of series-connected galvanic cells to make up a source of electricity. Zinc and copper plates stacked in alternation on top of each other are separated in each case by a piece of felt ... 更多

Switch attached to a safe box for building simple electric circuits using safety experiment leads. Printed with a circuit symbol. Maximum voltage: 12 V Maximum current: 5 A Dimensions: 135x85x40 mm³ 更多

Normally open push-button switch attached to a safe box for building simple electric circuits using safety experiment leads. Printed with a circuit symbol. Maximum voltage: 12 V Maximum current: 2 A Dimensions: 135x85x40 mm³ 更多

Knife-edge switch attached to a safe box for building simple electric circuits using safety experiment leads. Printed with a circuit symbol. Maximum voltage: 12 V Maximum current: 5 A Dimensions: 135x85x40 mm³ 更多

Fuse holder attached to a safe box for building simple electric circuits using safety experiment leads. Printed with a circuit symbol. Fuses (not included):           20 mm x 5 mm diam. Maximum voltage:                12 V Maximum current ... 更多

Pair of crocodile clips for connecting loose resistors and other electronic components or samples from the “Conductors and Non-Conductors” set. Attached to a safe box for building simple electric circuits using safety experiment leads. Printed ... 更多

Universal holder for two-pole components (resistors, capacitors, diodes, LEDs) attached to a safe box for building simple electric circuits using safety experiment leads. Printed with a circuit symbol. Dimensions: 135x85x40 mm³ 更多

1N4002 semiconductor in an electrically safe box for assembling simple electric circuits using safety experiment leads. Featuring printed circuit symbol. Maximum voltage: 12 V Maximum current: 1 mA Dimensions: 135x85x40 mm³ 更多

Low-voltage motor with pulley for simple experiments on mechanical and electrical energy. The relationship between current direction and direction of rotation is immediately obvious. Built onto an electrically safe box for assembling simple ... 更多

LED on an electrically safe box for assembling simple electric circuits using safety experiment leads. Featuring built-in current limiting resistor and printed circuit symbol. Maximum voltage: 12 V Maximum current: 20 mA Dimensions: 135x85x40 ... 更多

LED on an electrically safe box for assembling simple electric circuits using safety experiment leads. Featuring built-in current limiting resistor and printed circuit symbol. Maximum voltage: 12 V Maximum current: 20 mA Dimensions: 135x85x40 ... 更多

Battery holder in an electrically safe box for assembling simple electric circuits using safety experiment leads. Printed circuit symbol and battery direction. Batteries not included. Battery: 4.5 V, 3R12, flat battery Dimensions: 135x85x40 ... 更多

600-winding coil without core attached to a safe box and featuring safety sockets. For experiments on induction, a bar magnet can be passed through the coil. Dimensions: 135x85x40 mm³ 更多

Single-pole double-throw change-over switch attached to a safe box for building simple electric circuits using safety experiment leads. Printed with a circuit symbol. Maximum voltage: 12 V Maximum current: 5 A Dimensions: 135x85x40 mm³ ... 更多

Bridge rectifier circuit consisting of four semiconductor diodes connected in Graetz configuration. Inside a safe box for building simple electric circuits using safety experiment leads. Printed with circuit symbols. Maximum voltage: 12 V ... 更多

Bridge rectifier circuit consisting of four LEDs connected in Graetz configuration. Inside a safe box for building simple electric circuits using safety experiment leads. Printed with circuit symbols. Maximum voltage: 12 V Maximum current ... 更多

Circuit comprised of two LEDs for indicating the direction of current. Inside a safe box with sockets for safety experiment leads. Printed with circuit symbols. Maximum voltage: 12 V Maximum current: 20 mA Dimensions: 135x85x40 mm³ 更多

Classic set-up for verifying Ohm’s law for a two-pole resistor. Inside a safe box with sockets for safety experiment leads. Printed with circuit symbols. Maximum voltage: 12 V Maximum current: 2 A Dimensions: 135x85x40 mm³ 更多

Four unknown resistors which can be connected separately in two series circuits. Inside a safe box with sockets for safety experiment leads. Printed with circuit symbols. Maximum voltage: 6 V Maximum current: 200 mA Dimensions: 135x85x40 ... 更多

它们具有塑料外壳，带有4毫米的安全插头。 电阻:1欧姆 公差: 1% 负载率: 4W 更多

它们具有塑料外壳，带有4毫米的安全插头。 电阻:10 欧姆 公差: 1% 负载率: 4W 更多

它们具有塑料外壳，带有4毫米的安全插头。 电阻:100欧姆 公差: 1% 负载率: 4W 更多

它们具有塑料外壳，带有4毫米的安全插头。 电阻:1000欧姆 公差: 1% 负载率: 4W 更多